Newcastle (County Down) weather

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Forecast days

Sat 26 Sep

Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 13° Celsius;

Sunrise: 07:17

Sunset: 19:12

Sunny intervals changing to partly cloudy by early evening.

M UV

L Pollution

No pollen data.

Next low tide: 06:02 for
Newcastle (Beach)

Sat 26 Sep

Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius;
Sun 27 Sep

Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 8° Celsius;

Sunrise: 07:18

Sunset: 19:10

Heavy rain changing to sunny intervals in the afternoon.

M UV

L Pollution

No pollen data.

First high tide: 00:08 for
Newcastle (Beach)

Sun 27 Sep

Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius;
Mon 28 Sep

Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 13° Celsius;

Sunrise: 07:20

Sunset: 19:07

Sunny.

M UV

L Pollution

No pollen data.

First high tide: 00:38 for
Newcastle (Beach)

Mon 28 Sep

Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius;
Tue 29 Sep

Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 14° Celsius;

Sunrise: 07:22

Sunset: 19:05

Overcast changing to mist by late morning.

L UV

L Pollution

No pollen data.

First high tide: 01:14 for
Newcastle (Beach)

Tue 29 Sep

Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius;
Wed 30 Sep

Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 12° Celsius;

Sunrise: 07:24

Sunset: 19:02

Sunny.

M UV

No pollution data.

No pollen data.

First high tide: 01:54 for
Newcastle (Beach)

Wed 30 Sep

Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius;
Thu 1 Oct

Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 10° Celsius;

Sunrise: 07:26

Sunset: 19:00

Sunny intervals changing to partly cloudy by nighttime.

M UV

No pollution data.

No pollen data.

First high tide: 02:41 for
Newcastle (Beach)

Thu 1 Oct

Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius;
Fri 2 Oct

Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 13° Celsius;

Sunrise: 07:28

Sunset: 18:57

Sunny intervals changing to partly cloudy by early evening.

L UV

No pollution data.

No pollen data.

First high tide: 03:35 for
Newcastle (Beach)

Fri 2 Oct

Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius;

Sunny intervals changing to partly cloudy by early evening.

Sunrise: 07:17

Sunset: 19:12

M UV

L Pollution

No pollen data.

Next low tide: 06:02 for

Newcastle (Beach)

7 day forecast for Newcastle

Saturday (26 September 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	20%	<5%	<5%	10%	<5%	<5%	<5%	<5%	<5%	10%	<5%	10%	20%	40%	30%	40%	30%	10%	<5%	<5%	<5%	<5%
Temperature (°C)	13°	13°	13°	13°	13°	13°	13°	12°	13°	13°	14°	15°	16°	16°	17°	17°	17°	17°	16°	16°	15°	15°	15°	15°
Feels like temperature (°C)	11°	11°	10°	10°	10°	11°	11°	10°	11°	12°	12°	13°	14°	14°	15°	15°	15°	15°	15°	14°	14°	13°	13°	12°
Wind direction and speed (mph)	SW 13	SW 14	SW 14	SW 13	SW 13	SW 11	WSW 11	WSW 11	WSW 10	SW 10	SW 11	SW 11	SW 13	SW 13	SW 13	SSW 13	SSW 11	SSW 9	S 9	S 9	SSW 11	SSW 13	SSW 13	SSW 13
Wind gust (mph)	26	26	26	25	25	24	23	22	22	24	26	26	26	26	26	26	26	26	26	27	28	28	27	27
Visibility (description)	G	G	G	G	G	G	G	G	G	G	G	G	VG	VG	VG	VG	G	G	G	G	G	G	G	G
Humidity	74%	75%	77%	80%	83%	85%	86%	86%	85%	82%	76%	74%	69%	67%	66%	65%	67%	68%	76%	79%	78%	77%	78%	82%
UV	-	-	-	-	-	-	-	1	1	1	2	3	3	3	3	2	1	1	1	1	-	-	-	-

Sunday (27 September 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	10%	10%	20%	40%	70%	80%	90%	90%	≥95%	90%	70%	50%	40%	20%	10%	10%	10%	<5%	<5%	<5%	<5%
Temperature (°C)	15°	14°	15°	15°	15°	15°	15°	15°	14°	14°	14°	14°	14°	14°	15°	15°	15°	15°	14°	13°	12°	12°	11°	10°
Feels like temperature (°C)	13°	12°	13°	13°	13°	13°	12°	12°	12°	11°	11°	12°	12°	13°	13°	13°	13°	12°	12°	12°	11°	10°	10°	9°
Wind direction and speed (mph)	SSW 11	SSW 11	S 11	S 11	S 10	S 11	SSE 14	SSE 15	SSE 16	SSE 16	SSE 14	SSE 11	SSE 11	SW 12	W 13	W 14	W 14	W 13	W 10	W 9	W 8	W 8	WSW 8	WSW 8
Wind gust (mph)	27	27	28	29	30	30	31	33	34	33	32	32	31	27	28	26	25	23	20	18	17	16	16	16
Visibility (description)	G	G	G	G	G	G	G	G	M	M	M	M	M	M	G	G	G	G	G	G	VG	G	G	G
Humidity	84%	85%	85%	85%	85%	85%	85%	85%	87%	91%	93%	95%	95%	93%	89%	82%	74%	70%	71%	77%	80%	81%	82%	83%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	2	2	2	1	1	1	1	-	-	-	-

Monday (28 September 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	10°	10°	10°	10°	9°	9°	9°	9°	9°	11°	13°	14°	14°	15°	15°	15°	15°	15°	15°	14°	14°	13°	14°	14°
Feels like temperature (°C)	9°	9°	8°	8°	7°	7°	7°	7°	8°	10°	12°	13°	13°	13°	14°	14°	14°	13°	13°	13°	12°	12°	12°	12°
Wind direction and speed (mph)	WSW 7	WSW 7	WSW 7	WSW 7	WSW 6	WSW 6	WSW 6	WSW 6	WSW 6	WSW 5	SW 5	SSW 6	SW 7	SSW 8	S 8	S 8	SSE 9	SSE 9	SSE 10	SSE 10	SSE 9	SE 9	SE 10	SE 11
Wind gust (mph)	16	15	15	15	15	16	16	16	16	17	17	18	19	20	20	21	21	22	22	22	21	21	22	24
Visibility (description)	G	G	VG	VG	G	G	G	G	G	VG	G	VG	VG	VG	VG	VG	VG	VG	G	G	G	G	G	G
Humidity	83%	83%	84%	84%	84%	85%	84%	84%	84%	76%	71%	65%	62%	57%	57%	59%	63%	66%	71%	75%	76%	76%	77%	76%
UV	-	-	-	-	-	-	-	1	1	1	2	3	3	3	3	2	1	1	1	1	-	-	-	-

Tuesday (29 September 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	10%	10%	10%	10%	10%	20%	30%	30%	40%	50%	50%	50%	50%	60%	70%	70%	80%	80%	80%	70%	70%	60%
Temperature (°C)	14°	15°	15°	14°	15°	15°	14°	15°	15°	15°	15°	16°	16°	16°	17°	17°	17°	17°	17°	17°	17°	17°	17°	17°
Feels like temperature (°C)	12°	12°	12°	12°	11°	11°	11°	11°	11°	11°	12°	12°	13°	13°	13°	14°	14°	14°	14°	13°	13°	14°	14°	14°
Wind direction and speed (mph)	SE 14	SE 15	SE 16	SE 16	SE 17	SE 18	SE 19	SE 19	SE 19	SE 19	SE 19	SE 20	SE 19	SE 19	SE 19	SE 18	SE 18	SSE 18	SSE 19	SSE 21	SSE 20	SSE 18	SSE 18	SSE 17
Wind gust (mph)	27	30	32	34	36	37	38	38	39	41	41	41	41	41	41	43	43	42	42	42	41	40	39	40
Visibility (description)	G	G	G	G	G	G	M	M	M	M	M	M	M	M	M	M	M	M	M	M	M	M	M	M
Humidity	75%	75%	74%	74%	73%	75%	76%	79%	83%	84%	86%	87%	90%	91%	91%	91%	91%	91%	91%	91%	91%	91%	91%	92%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	1	1	1	-	-	-	-

Wednesday (30 September 2026)

Time	00:00	01:00	04:00	07:00	10:00	13:00	16:00	19:00	22:00
Weather symbols
Chance of precipitation	50%	50%	40%	20%	30%	20%	10%	10%	10%
Temperature (°C)	17°	16°	16°	15°	16°	17°	17°	16°	15°
Feels like temperature (°C)	13°	13°	13°	13°	13°	13°	14°	13°	12°
Wind direction and speed (mph)	SSE 18	SSE 18	S 16	S 14	S 17	S 19	S 18	S 16	SSW 15
Wind gust (mph)	38	37	32	32	36	38	35	29	26
Visibility (description)	M	M	M	M	M	G	G	G	G
Humidity	91%	90%	91%	90%	85%	78%	74%	83%	84%
UV	-	-	-	1	2	3	1	1	-

Thursday (1 October 2026)

Time	01:00	04:00	07:00	10:00	13:00	16:00	19:00	22:00
Weather symbols
Chance of precipitation	10%	20%	10%	20%	50%	20%	10%	10%
Temperature (°C)	14°	13°	13°	15°	16°	16°	14°	12°
Feels like temperature (°C)	12°	11°	11°	12°	13°	14°	13°	11°
Wind direction and speed (mph)	SSW 14	SSW 13	SSW 11	SW 13	SW 13	SW 11	SW 8	SW 7
Wind gust (mph)	25	22	25	26	25	22	16	15
Visibility (description)	M	M	G	G	G	G	G	G
Humidity	86%	89%	90%	84%	72%	71%	82%	87%
UV	-	-	1	2	3	1	-	-

Friday (2 October 2026)

Time	01:00	04:00	07:00	10:00	13:00	16:00	19:00	22:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	10%	10%	10%	10%	10%
Temperature (°C)	12°	11°	12°	13°	15°	16°	14°	14°
Feels like temperature (°C)	11°	10°	11°	12°	13°	14°	13°	12°
Wind direction and speed (mph)	SW 7	SW 6	SW 6	SSW 7	SSW 11	S 10	S 7	S 7
Wind gust (mph)	14	13	15	20	22	19	15	17
Visibility (description)	M	M	P	G	VG	G	G	G
Humidity	92%	93%	94%	85%	73%	73%	87%	90%
UV	-	-	1	2	3	1	-	-

UK video forecast

Newcastle weather map

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Northern Ireland weather forecast

Headline:

Bright spells early Saturday, scattered showers developing later.

This Evening and Tonight:

Mainly dry with clear spells most widespread in the east, but a few scattered light showers appearing west and north of Lough Neagh. Southwest winds freshening overnight. Minimum temperature 11 °C.

Saturday:

Most in east staying dry with best of the brighter spells appearing through the morning and towards the east coast. Scattered showers developing during the afternoon. Maximum temperature 18 °C.

Outlook for Sunday to Tuesday:

Unsettled for Sunday with strong winds, rain then showers. Most dry on Monday with showers generally confined to the far west. Tuesday turning wet and windy.

Updated: 16:00 (UTC+1) on Fri 25 Sep 2026

UK long range weather forecast

Remaining changeable as Atlantic frontal systems bring spells of rain, showers and occasional strong winds. The wettest and windiest conditions will tend to be most frequent across western areas, with longer drier interludes most favoured in the far east and southeast, where it may be very warm at times. Into October, high pressure to the northeast of the UK may become more influential on the weather, with some longer drier interludes focussed more across the north and northeast of the UK, whilst occasional rain may tend to be more prevalent towards the south and west. Temperatures are expected to be above average for the period as a whole.

Updated: 13:00 (UTC+1) on Fri 25 Sep 2026

Initially, high pressure may be centred to the north or northeast, with longer drier periods more likely across northern UK, whilst low pressure to the southwest brings occasional rain or showers into more southern and western parts. Towards and beyond mid-October, it may turn more widely unsettled with a greater chance of wet and windy conditions at times. Temperatures will likely be above average for the period as a whole.

Updated: 14:00 (UTC+1) on Fri 25 Sep 2026

Newcastle (County Down) weather

Find a forecast

Forecast days

Sat 26 Sep

Sat 26 Sep

Sun 27 Sep

Sun 27 Sep

Mon 28 Sep

Mon 28 Sep

Tue 29 Sep

Tue 29 Sep

Wed 30 Sep

Wed 30 Sep

Thu 1 Oct

Thu 1 Oct

Fri 2 Oct

Fri 2 Oct

7 day forecast for Newcastle

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UK video forecast

Northern Ireland weather forecast

Headline:

This Evening and Tonight:

Saturday:

Outlook for Sunday to Tuesday:

UK long range weather forecast

Nearest forecasts

Newcastle (County Down) weather

Find a forecast

Forecast days

Sat 26 Sep

Sat 26 Sep

Sun 27 Sep

Sun 27 Sep

Mon 28 Sep

Mon 28 Sep

Tue 29 Sep

Tue 29 Sep

Wed 30 Sep

Wed 30 Sep

Thu 1 Oct

Thu 1 Oct

Fri 2 Oct

Fri 2 Oct

7 day forecast for Newcastle

UK video forecast

Northern Ireland weather forecast

Friday 25 Sep - Tuesday 29 Sep

Headline:

This Evening and Tonight:

Saturday:

Outlook for Sunday to Tuesday:

UK long range weather forecast

Wednesday 30 Sep - Friday 9 Oct

Saturday 10 Oct - Saturday 24 Oct

Nearest forecasts