Arlington Heights, IL Hourly Weather Forecast
Next 48 Hours
Thu, Aug 27th 2026
Clear conditions expected later. Temps range from 69° to 71°. Calm winds, shifting from ESE to SSE at 2.8 mph, with humidity levels between 72% to 74%, and an avg barometric pressure of 30.01 inHg.
| Thu, Aug 27th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
8 PM Clear UV: 0 |
71°F Feels 74°F |
72% | 2.7 ESE | 29.99 | 62.1°F | 7% |
9 PM ClearUV: 0 |
70°F Feels 73°F |
73% | 2.7 SSE | 30.01 | 61.3°F | 7% |
10 PM ClearUV: 0 |
70°F Feels 71°F |
72% | 3.1 S | 30.01 | 60.4°F | 6% |
11 PM ClearUV: 0 |
69°F Feels 71°F |
74% | 2.7 SSE | 30.01 | 60.5°F | 7% |
Fri, Aug 28th 2026
Starting off Sunny skies, turning Clear conditions later in the day. Warming trend from 66°F to 84°. Light winds, shifting from SSE to SSW at 5.4 mph, with humidity ranging 36% to 75%, and an avg barometric pressure of 30.08 inHg.
| Fri, Aug 28th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM ClearUV: 0 |
72°F Feels 73°F |
59% | 2.2 SSE | 30.01 | 56.5°F | 3% |
1 AM ClearUV: 0 |
71°F Feels 71°F |
61% | 3.6 WSW | 30.03 | 56.8°F | 4% |
2 AM ClearUV: 0 |
70°F Feels 70°F |
64% | 4.3 SW | 30.04 | 57.2°F | 4% |
3 AM ClearUV: 0 |
70°F Feels 70°F |
67% | 4 SSW | 30.05 | 58.5°F | 5% |
4 AM ClearUV: 0 |
69°F Feels 70°F |
69% | 3.4 SSW | 30.06 | 58.5°F | 5% |
5 AM ClearUV: 0 |
68°F Feels 69°F |
72% | 2.9 W | 30.08 | 58.3°F | 6% |
6 AM ClearUV: 0 |
67°F Feels 69°F |
75% | 2.2 WSW | 30.1 | 58.8°F | 7% |
7 AM Sunny UV: 0.2 |
66°F Feels 67°F |
74% | 2.9 S | 30.12 | 57.9°F | 7% |
8 AM SunnyUV: 6 |
69°F Feels 69°F |
66% | 4.3 S | 30.12 | 57.1°F | 5% |
9 AM SunnyUV: 6 |
73°F Feels 73°F |
58% | 4.5 SSW | 30.11 | 57.2°F | 3% |
10 AM SunnyUV: 6 |
76°F Feels 75°F |
50% | 5.4 SSW | 30.11 | 56.6°F | 2% |
11 AM SunnyUV: 7 |
79°F Feels 79°F |
44% | 6.3 SW | 30.11 | 55.5°F | 1% |
12 PM SunnyUV: 7 |
81°F Feels 81°F |
41% | 7.6 SW | 30.11 | 55°F | 1% |
1 PM SunnyUV: 7 |
82°F Feels 79°F |
39% | 8.5 WSW | 30.1 | 54.8°F | 1% |
2 PM SunnyUV: 7 |
83°F Feels 80°F |
37% | 9.2 WSW | 30.08 | 54.5°F | 1% |
3 PM SunnyUV: 7 |
84°F Feels 80°F |
36% | 9.2 WSW | 30.06 | 54.2°F | 1% |
4 PM SunnyUV: 7 |
83°F Feels 80°F |
38% | 8.7 WSW | 30.06 | 54.8°F | 1% |
5 PM SunnyUV: 7 |
82°F Feels 81°F |
41% | 8.5 WSW | 30.05 | 55.8°F | 2% |
6 PM SunnyUV: 7 |
80°F Feels 80°F |
47% | 7.8 WSW | 30.06 | 57.5°F | 2% |
7 PM SunnyUV: 7 |
77°F Feels 77°F |
54% | 6.5 WSW | 30.07 | 59.4°F | 4% |
8 PM Overcast UV: 0 |
75°F Feels 77°F |
62% | 4.3 WSW | 30.09 | 61.2°F | 15% |
9 PM OvercastUV: 0 |
75°F Feels 77°F |
65% | 4 SW | 30.1 | 62°F | 16% |
10 PM Cloudy UV: 0 |
74°F Feels 76°F |
66% | 4 SW | 30.11 | 61.9°F | 13% |
11 PM OvercastUV: 0 |
73°F Feels 74°F |
68% | 4.9 SSW | 30.09 | 61.5°F | 17% |
Sat, Aug 29th 2026
Overcast skies will dominate from morning to night. Warming trend from 66°F to 83°. Light winds, shifting from SSW to S at 6.4 mph, as humidity ranges 38% to 73%, and an avg barometric pressure of 30.09 inHg.
| Sat, Aug 29th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM OvercastUV: 0 |
71°F Feels 71°F |
70% | 5.6 SSW | 30.09 | 60.2°F | 18% |
1 AM Partly Cloudy UV: 0 |
69°F Feels 69°F |
71% | 5.8 SSW | 30.1 | 59.7°F | 9% |
2 AM OvercastUV: 0 |
69°F Feels 68°F |
73% | 6 SSW | 30.08 | 59.4°F | 18% |
3 AM OvercastUV: 0 |
68°F Feels 68°F |
72% | 4.9 SSW | 30.09 | 59°F | 19% |
4 AM OvercastUV: 0 |
68°F Feels 68°F |
71% | 4.9 SSW | 30.1 | 57.9°F | 17% |
5 AM OvercastUV: 0 |
67°F Feels 67°F |
70% | 4 S | 30.09 | 57.3°F | 18% |
6 AM OvercastUV: 0 |
66°F Feels 67°F |
73% | 4 SSW | 30.11 | 57.4°F | 20% |
7 AM Overcast UV: 4 |
66°F Feels 65°F |
73% | 5.1 S | 30.12 | 57.1°F | 20% |
8 AM OvercastUV: 4 |
67°F Feels 66°F |
70% | 6.3 SSW | 30.14 | 57°F | 18% |
9 AM OvercastUV: 5 |
71°F Feels 69°F |
64% | 6.9 SSW | 30.13 | 57.8°F | 15% |
10 AM OvercastUV: 5 |
72°F Feels 71°F |
62% | 7.8 SW | 30.14 | 58.6°F | 15% |
11 AM OvercastUV: 5 |
76°F Feels 75°F |
55% | 6.7 SSW | 30.13 | 58.4°F | 12% |
12 PM OvercastUV: 6 |
79°F Feels 79°F |
44% | 8.3 SW | 30.1 | 55.9°F | 9% |
1 PM Partly Cloudy UV: 7 |
81°F Feels 81°F |
41% | 6.9 SW | 30.09 | 55°F | 2% |
2 PM Partly CloudyUV: 7 |
83°F Feels 80°F |
38% | 7.6 SW | 30.06 | 54.6°F | 5% |
3 PM Cloudy UV: 6 |
83°F Feels 80°F |
38% | 8.9 SW | 30.04 | 55°F | 7% |
4 PM OvercastUV: 6 |
82°F Feels 82°F |
42% | 9.6 SW | 30.04 | 56.6°F | 10% |
5 PM OvercastUV: 6 |
78°F Feels 77°F |
53% | 7.4 SSW | 30.03 | 58.9°F | 12% |
6 PM OvercastUV: 5 |
75°F Feels 75°F |
58% | 5.8 SW | 30.03 | 59.7°F | 14% |
7 PM OvercastUV: 5 |
75°F Feels 76°F |
59% | 4.9 S | 30.02 | 59.8°F | 14% |
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|
77°F |
29.99 inHg.
Barometer 67%
Humidity ENE 3.6mph Wind |
| Sunny | ||
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