News
New warning issued for heavy rain on Friday into Saturday morning
Some areas could see a month’s worth of rain in 24 hours.
Read moreTrawsfynydd (Gwynedd) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 11° Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 5° Celsius;
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Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 4° Celsius; -
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 1° Celsius;
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Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 2° Celsius; -
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 3° Celsius;
7 day forecast for Trawsfynydd
| Time | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols and temperature |
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
| Chance of precipitation |
90%
|
≥95%
|
90%
|
90%
|
90%
|
90%
|
80%
|
70%
|
60%
|
| Wind speed and direction |
7mph
|
7mph
|
7mph
|
7mph
|
7mph
|
8mph
|
9mph
|
10mph
|
13mph
|
| Time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols and temperature |
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
13°
|
13°
|
13°
|
12°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
| Chance of precipitation |
40%
|
30%
|
40%
|
40%
|
30%
|
20%
|
20%
|
10%
|
<5%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
20%
|
30%
|
| Wind speed and direction |
14mph
|
13mph
|
12mph
|
12mph
|
12mph
|
12mph
|
11mph
|
10mph
|
10mph
|
9mph
|
9mph
|
9mph
|
8mph
|
7mph
|
6mph
|
5mph
|
4mph
|
4mph
|
4mph
|
4mph
|
5mph
|
6mph
|
7mph
|
8mph
|
| Time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols and temperature |
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
| Chance of precipitation |
40%
|
40%
|
50%
|
50%
|
50%
|
50%
|
60%
|
80%
|
90%
|
90%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
90%
|
90%
|
90%
|
90%
|
| Wind speed and direction |
10mph
|
12mph
|
13mph
|
14mph
|
16mph
|
18mph
|
20mph
|
22mph
|
23mph
|
24mph
|
25mph
|
26mph
|
26mph
|
26mph
|
27mph
|
28mph
|
29mph
|
29mph
|
29mph
|
29mph
|
29mph
|
29mph
|
28mph
|
27mph
|
| Time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols and temperature |
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
7°
|
7°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
| Chance of precipitation |
90%
|
80%
|
80%
|
80%
|
80%
|
70%
|
70%
|
70%
|
60%
|
50%
|
50%
|
40%
|
40%
|
40%
|
30%
|
30%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
| Wind speed and direction |
26mph
|
25mph
|
24mph
|
23mph
|
22mph
|
21mph
|
20mph
|
19mph
|
18mph
|
18mph
|
17mph
|
17mph
|
16mph
|
15mph
|
14mph
|
14mph
|
13mph
|
12mph
|
11mph
|
10mph
|
10mph
|
10mph
|
10mph
|
10mph
|
| Time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols and temperature |
6°
|
6°
|
6°
|
6°
|
6°
|
5°
|
5°
|
5°
|
5°
|
5°
|
6°
|
7°
|
7°
|
7°
|
7°
|
6°
|
5°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
| Chance of precipitation |
20%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Wind speed and direction |
10mph
|
10mph
|
9mph
|
9mph
|
8mph
|
8mph
|
8mph
|
8mph
|
8mph
|
8mph
|
8mph
|
9mph
|
9mph
|
9mph
|
8mph
|
7mph
|
6mph
|
4mph
|
4mph
|
4mph
|
4mph
|
3mph
|
3mph
|
3mph
|
| Time | 12am | 3am | 6am | 9am | 12pm | 3pm | 6pm | 9pm |
|---|---|---|---|---|---|---|---|---|
| Weather symbols and temperature |
4°
|
4°
|
3°
|
5°
|
7°
|
7°
|
4°
|
3°
|
| Chance of precipitation |
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
20%
|
| Wind speed and direction |
4mph
|
4mph
|
4mph
|
3mph
|
6mph
|
5mph
|
3mph
|
3mph
|
| Time | 12am | 3am | 6am | 9am | 12pm | 3pm | 6pm | 9pm |
|---|---|---|---|---|---|---|---|---|
| Weather symbols and temperature |
4°
|
4°
|
4°
|
5°
|
7°
|
7°
|
5°
|
5°
|
| Chance of precipitation |
30%
|
40%
|
40%
|
40%
|
40%
|
30%
|
30%
|
30%
|
| Wind speed and direction |
4mph
|
4mph
|
5mph
|
5mph
|
8mph
|
8mph
|
6mph
|
7mph
|
Trawsfynydd weather map
Loading map...
Updated:
Trawsfynydd forecast
Sunrise and sunset
Air pollution
Daily level
Low
Today
Time and weather
| Time | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Wind
Temperature
Humidity
Rain and snow
UV
Visibility
Sunrise and sunset
Air pollution
Daily level
Low
Thursday
Time and weather
| Time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Wind
Temperature
Humidity
Rain and snow
UV
Visibility
Sunrise and sunset
Air pollution
Daily level
Low
Friday
Time and weather
| Time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Wind
Temperature
Humidity
Rain and snow
UV
Visibility
Sunrise and sunset
Air pollution
Daily level
Low
Saturday
Time and weather
| Time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Wind
Temperature
Humidity
Rain and snow
UV
Visibility
Sunrise and sunset
Air pollution
Daily level
Low
Sunday
Time and weather
| Time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Wind
Temperature
Humidity
Rain and snow
UV
Visibility
Sunrise and sunset
Air pollution
No air pollution data
Monday
Time and weather
| Time | 12am | 3am | 6am | 9am | 12pm | 3pm | 6pm | 9pm |
|---|---|---|---|---|---|---|---|---|
| Weather symbols |
|
|
|
|
|
|
|
|
Wind
Temperature
Humidity
Rain and snow
UV
Visibility
Sunrise and sunset
Air pollution
No air pollution data
Tuesday
Time and weather
| Time | 12am | 3am | 6am | 9am | 12pm | 3pm | 6pm | 9pm |
|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Wind
Temperature
Humidity
Rain and snow
UV
Visibility
UK video forecast
WARNING
Flood alerts in force for Wales
Flood alerts in force for Wales
Wales weather forecast
Headline:
Staying unsettled with further spells of heavy rain.
Today:
A bright start in the north, but cloud and rain soon arriving to bring an unsettled afternoon across the country with heavy and persistent rain, especially in the south. Staying mild, but blustery winds along the coasts. Maximum temperature 16 °C.
Tonight:
Rain continuing this evening, though not as heavy or persistent. Turning drier through the early hours with clear spells and lighter winds. Minimum temperature 10 °C.
Thursday:
A much drier and brighter day with any early mist and fog soon lifting. Plenty of sunny spells in the afternoon with the odd shower in the north. Lighter winds. Maximum temperature 15 °C.
Outlook for Friday to Sunday:
Remaining unsettled with further periods of rain, these heavy and persistent, especially on Friday, interspersed with drier, clearer intervals. Staying breezy, and feeling colder with temperatures returning to average.
Updated: