Will County, IL Weather Forecast | 5 Day
Updated: Tue Sep 29th 2026 10:45 AM CDT
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Sunny
Tue 9-29-26
Sunny with a high of 75°F and a low of 56°F. There's a very small chance of rainfall, only about 8%. Winds will be light at 9mph and gusts of 23.5mph at 11 PM. The humidity will be on the higher side, averaging about 62%, the maximum being 64% at 11 PM and 39% being its lowest at 3 PM. Barometric pressure is its highest of 30.01inHg at 12 PM, a lowest point of 29.92inHg at 11 PM with an avg 29.95inHg.
- HI: 75°F
- LO: 56°F
- Rainfall: 8%
- Snowfall: 0%
- Wind
8.5 mph - Humidity
62% avg. - UV Index
5.1 - Air QualityGood
- Sunrise
06:46 AM - Sunset
06:37 PM - Moonrise
07:46 PM - Moonset
10:03 AM - Moon Phase
Waning Gibbous
Overcast
Weather Tomorrow, Wed 9-30-26
Overcast with a high of 68°F and a low of 64°F. There's a moderate 38% chance of rainfall with an estimated 0.02in. Winds will be light at 10mph and gusts of 29.5mph at 5 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 72% at 7 PM and 54% being its lowest at 7 AM. Barometric pressure is its highest of 29.94inHg at 10 AM, a lowest point of 29.88inHg at 5 PM with an avg 29.9inHg.
- HI: 68°F
- LO: 64°F
- Rainfall: 38% | est. 0.02in
- Snowfall: 0%
- Wind
9.4 mph - Humidity
63% avg. - UV Index
2.1 - Air QualityGood
- Sunrise
06:47 AM - Sunset
06:35 PM - Moonrise
08:23 PM - Moonset
11:14 AM - Moon Phase
Waning Gibbous
Scattered Showers
Thu 10-1-26
Scattered Showers with a high of 71°F and a low of 63°F. It will likey rain, having a 88% chance of a downpour with an estimated 0.65in. Wind will be moderate, blowing around 11mph on average and gusts of 30.7mph at 11 AM. High humidity with average of 81% is anticipated, the maximum being 98% at 7 PM and 59% being its lowest at 7 AM. Barometric pressure is its highest of 29.91inHg at 12 AM, a lowest point of 29.82inHg at 4 AM with an avg 29.86inHg.
- HI: 71°F
- LO: 63°F
- Rainfall: 88% | est. 0.65in
- Snowfall: 0%
- Wind
10.3 mph - Humidity
81% avg. - UV Index
3.2 - Air QualityGood
- Sunrise
06:48 AM - Sunset
06:33 PM - Moonrise
09:09 PM - Moonset
12:24 PM - Moon Phase
Last Quarter
Sunny
Fri 10-2-26
Sunny with a high of 65°F and a low of 55°F. Rainfall expected to have a 71% chance with an estimated 0.41in. Wind will be moderate, blowing around 14mph on average and gusts of 27.1mph at 8 AM. The humidity will be on the higher side, averaging about 70%, the maximum being 98% at 12 AM and 47% being its lowest at 2 PM. Barometric pressure is its highest of 30.27inHg at 9 PM, a lowest point of 29.89inHg at 12 AM with an avg 30.13inHg.
- HI: 65°F
- LO: 55°F
- Rainfall: 71% | est. 0.41in
- Snowfall: 0%
- Wind
13.9 mph - Humidity
70% avg. - UV Index
2.6 - Air QualityGood
- Sunrise
06:49 AM - Sunset
06:32 PM - Moonrise
10:07 PM - Moonset
01:29 PM - Moon Phase
Last Quarter
Sunny
Sat 10-3-26
Sunny with a high of 67°F and a low of 51°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 9mph and gusts of 19.7mph at 11 PM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 70% at 3 AM and 39% being its lowest at 3 PM. Barometric pressure is its highest of 30.31inHg at 8 AM, a lowest point of 30.09inHg at 11 PM with an avg 30.22inHg.
- HI: 67°F
- LO: 51°F
- Rainfall: 4%
- Snowfall: 0%
- Wind
8.9 mph - Humidity
57% avg. - UV Index
5 - Air QualityGood
- Sunrise
06:50 AM - Sunset
06:30 PM - Moonrise
11:16 PM - Moonset
02:25 PM - Moon Phase
Last Quarter
Sunny
Sun 10-4-26
Sunny with a high of 63°F and a low of 56°F. There might be light rainfall having a 22% chance with an estimated 0.01in. Wind will be moderate, blowing around 13mph on average and gusts of 17.9mph at 10 AM. The humidity will be on the higher side, averaging about 67%, the maximum being 81% at 4 AM and 53% being its lowest at 4 PM. Barometric pressure is its highest of 30.27inHg at 11 PM, a lowest point of 30.05inHg at 4 AM with an avg 30.12inHg.
- HI: 63°F
- LO: 56°F
- Rainfall: 22% | est. 0.01in
- Snowfall: 0%
- Wind
12.1 mph - Humidity
67% avg. - UV Index
5 - Air QualityTBA
- Sunrise
06:51 AM - Sunset
06:28 PM - Moonrise
Does not rise today - Moonset
03:12 PM - Moon Phase
Last Quarter
Currently
 |
65°F |
30.04 inHg.
Barometer 66%
Humidity S 9.4 mph Wind |
| Cloudy | ||
National Outlook
Rainy Days Ahead for the Southwest and Southern Plains 09-29 to 10-01
Wed Sep 29th 2026, 2:52am PDT
Read
Heavy Rain and Flooding Threat Across South-Central and Eastern US 10-02 to 10-06
Extended Forecast
Tue Sep 29th 2026, 2:54am PDT
Read
Tue Sep 29th 2026, 2:54am PDT
5 Day Forecast Nearby
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