Islip - Macarthur (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius; -
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 19 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 21 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius; -
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 25 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius;
-
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 27 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius;
Cloudy changing to sunny intervals by early evening.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Islip - Macarthur
Today (11 May 2026)
| Time |
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%
|
| Temperature |
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
| Feels like temperature (°C) |
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
| Wind direction and speed |
N
6
|
N
4
|
NNW
3
|
WNW
3
|
WNW
4
|
WNW
4
|
WNW
5
|
WNW
5
|
NW
5
|
NNW
5
|
NNW
5
|
| Wind gust (mph) |
13
|
10
|
8
|
9
|
10
|
11
|
11
|
11
|
11
|
11
|
11
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
21%
|
21%
|
21%
|
22%
|
23%
|
33%
|
36%
|
39%
|
41%
|
41%
|
43%
|
| UV | 3 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Tuesday (12 May 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) |
13°
|
13°
|
12°
|
11°
|
10°
|
10°
|
9°
|
9°
|
9°
|
10°
|
12°
|
13°
|
14°
|
15°
|
16°
|
17°
|
17°
|
18°
|
18°
|
17°
|
16°
|
14°
|
13°
|
13°
|
| Feels like temperature (°C) |
12°
|
11°
|
10°
|
9°
|
9°
|
8°
|
7°
|
7°
|
7°
|
8°
|
10°
|
11°
|
13°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
13°
|
11°
|
10°
|
10°
|
| Wind direction and speed (mph) |
N
6
|
N
8
|
NNW
8
|
NNW
8
|
NNW
8
|
NNW
8
|
NNW
8
|
NNW
8
|
NNW
10
|
NNW
9
|
NNW
8
|
NNW
8
|
NNW
6
|
NW
5
|
WNW
5
|
W
5
|
WSW
6
|
WSW
6
|
SW
7
|
SSW
9
|
SSW
11
|
SSW
12
|
SSW
12
|
SSW
12
|
| Wind gust (mph) |
14
|
16
|
15
|
15
|
15
|
15
|
15
|
18
|
18
|
18
|
18
|
17
|
15
|
16
|
17
|
17
|
17
|
17
|
18
|
21
|
23
|
23
|
23
|
22
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
44%
|
42%
|
43%
|
42%
|
42%
|
42%
|
42%
|
43%
|
41%
|
40%
|
39%
|
36%
|
28%
|
22%
|
20%
|
20%
|
20%
|
20%
|
20%
|
22%
|
36%
|
41%
|
45%
|
54%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 4 | 6 | 8 | 9 | 9 | 7 | 6 | 4 | 2 | 1 | - | - | - | - | - |
Wednesday (13 May 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%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
30%
|
20%
|
10%
|
10%
|
20%
|
30%
|
30%
|
30%
|
40%
|
50%
|
50%
|
70%
|
80%
|
| Temperature (°C) |
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
13°
|
13°
|
14°
|
14°
|
15°
|
15°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
14°
|
14°
|
| Feels like temperature (°C) |
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
12°
|
| Wind direction and speed (mph) |
SSW
12
|
SSW
10
|
SSW
10
|
SSW
10
|
SSW
9
|
SSW
9
|
S
9
|
S
9
|
S
10
|
S
12
|
S
13
|
S
14
|
S
14
|
S
15
|
S
16
|
S
16
|
S
16
|
S
16
|
S
15
|
S
15
|
S
15
|
S
14
|
S
13
|
S
13
|
| Wind gust (mph) |
21
|
19
|
19
|
17
|
17
|
16
|
16
|
19
|
21
|
24
|
26
|
26
|
28
|
29
|
30
|
30
|
30
|
30
|
28
|
28
|
27
|
26
|
25
|
25
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
M
|
| Humidity |
57%
|
60%
|
65%
|
67%
|
72%
|
73%
|
75%
|
74%
|
69%
|
66%
|
64%
|
64%
|
70%
|
61%
|
61%
|
61%
|
63%
|
64%
|
66%
|
70%
|
72%
|
79%
|
81%
|
81%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 2 | 2 | 5 | 3 | 4 | 2 | 2 | 1 | 1 | - | - | - | - | - |
Thursday (14 May 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 |
80%
|
80%
|
90%
|
80%
|
80%
|
70%
|
60%
|
50%
|
60%
|
50%
|
40%
|
40%
|
30%
|
30%
|
30%
|
30%
|
40%
|
30%
|
40%
|
40%
|
40%
|
40%
|
30%
|
20%
|
| Temperature (°C) |
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
15°
|
15°
|
16°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
16°
|
16°
|
15°
|
| Feels like temperature (°C) |
11°
|
12°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
13°
|
14°
|
15°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
17°
|
16°
|
16°
|
15°
|
14°
|
| Wind direction and speed (mph) |
S
13
|
S
13
|
S
13
|
S
12
|
S
12
|
S
11
|
S
10
|
S
9
|
S
9
|
S
8
|
S
7
|
S
7
|
S
6
|
S
6
|
S
6
|
SSE
6
|
SSE
6
|
SSE
6
|
SSE
6
|
NNW
6
|
NNW
6
|
NNW
7
|
NNW
7
|
NNW
7
|
| Wind gust (mph) |
24
|
24
|
23
|
23
|
22
|
20
|
19
|
17
|
17
|
16
|
15
|
14
|
14
|
14
|
15
|
16
|
15
|
14
|
14
|
14
|
13
|
15
|
16
|
16
|
| Visibility (description) |
G
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
85%
|
86%
|
88%
|
89%
|
92%
|
93%
|
94%
|
95%
|
96%
|
95%
|
94%
|
92%
|
87%
|
83%
|
76%
|
72%
|
67%
|
67%
|
67%
|
68%
|
71%
|
75%
|
74%
|
75%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 5 | 5 | 4 | 4 | 5 | 5 | 3 | 1 | 1 | - | - | - | - | - |
Friday (15 May 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
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
20%
|
20%
|
30%
|
30%
|
30%
|
20%
|
10%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
| Temperature (°C) |
15°
|
14°
|
14°
|
13°
|
13°
|
13°
|
12°
|
12°
|
13°
|
14°
|
15°
|
16°
|
17°
|
18°
|
19°
|
20°
|
20°
|
21°
|
21°
|
21°
|
20°
|
18°
|
| Feels like temperature (°C) |
13°
|
13°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
12°
|
13°
|
14°
|
15°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
| Wind direction and speed (mph) |
NNW
8
|
NNW
8
|
NNW
8
|
NNW
8
|
NNW
8
|
NNW
9
|
NNW
9
|
NNW
9
|
NNW
9
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
9
|
NW
9
|
WNW
9
|
| Wind gust (mph) |
16
|
16
|
16
|
16
|
16
|
17
|
17
|
17
|
19
|
20
|
20
|
21
|
21
|
22
|
23
|
22
|
21
|
21
|
20
|
19
|
18
|
18
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
76%
|
76%
|
77%
|
79%
|
80%
|
80%
|
81%
|
82%
|
81%
|
73%
|
70%
|
64%
|
59%
|
53%
|
49%
|
46%
|
44%
|
44%
|
43%
|
45%
|
45%
|
50%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 3 | 5 | 6 | 5 | 5 | 5 | 2 | 3 | 2 | 1 | - | - | - |
Saturday (16 May 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
16°
|
15°
|
15°
|
20°
|
23°
|
24°
|
22°
|
19°
|
| Feels like temperature (°C) |
15°
|
14°
|
14°
|
18°
|
21°
|
22°
|
19°
|
18°
|
| Wind direction and speed (mph) |
WNW
8
|
WNW
6
|
W
6
|
W
7
|
WSW
10
|
SW
11
|
SSW
10
|
SW
8
|
| Wind gust (mph) |
15
|
13
|
17
|
22
|
24
|
24
|
19
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
54%
|
55%
|
55%
|
41%
|
34%
|
35%
|
42%
|
55%
|
| UV | - | - | 2 | 8 | 7 | 2 | - | - |
Sunday (17 May 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
18°
|
18°
|
18°
|
22°
|
26°
|
27°
|
23°
|
20°
|
| Feels like temperature (°C) |
17°
|
17°
|
18°
|
21°
|
25°
|
25°
|
21°
|
19°
|
| Wind direction and speed (mph) |
SW
8
|
WSW
7
|
WSW
6
|
WSW
8
|
WSW
8
|
SW
9
|
SW
8
|
WSW
6
|
| Wind gust (mph) |
15
|
13
|
17
|
20
|
21
|
21
|
16
|
14
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
60%
|
63%
|
59%
|
44%
|
37%
|
32%
|
43%
|
53%
|
| UV | - | - | 2 | 8 | 7 | 2 | - | - |
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Forecast for 2pm (UTC-4) Monday
Updated 13:17 (UTC+1) on Mon 11 May 2026
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