Geff, IL Weather Forecast | 10 Days
Updated: Fri Oct 30th 2026 6:30 AM CDT
Fri, 10-30
77°F
58°F
58°F
Sat, 10-31
73°F
59°F
59°F
Sun, 11-1
67°F
57°F
57°F
Mon, 11-2
67°F
57°F
57°F
Tue, 11-3
72°F
59°F
59°F
Wed, 11-4
66°F
56°F
56°F
Thu, 11-5
61°F
50°F
50°F
Fri, 11-6
62°F
49°F
49°F
Sat, 11-7
58°F
45°F
45°F
Sun, 11-8
60°F
45°F
45°F
Overcast
Geff IL Weather Forecast for Fri 10-30
Overcast with a high of 77°F and a low of 58°F. There's a very small chance of rainfall, only about 10%. Wind will be moderate, blowing around 12mph on average and gusts of 22.1mph at 9 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 95% at 7 AM and 47% being its lowest at 3 PM. Barometric pressure is its highest of 30.28 at 10 AM, a lowest point of 30.18 at 3 PM with an avg 30.23.
- HI: 77°F
- LO: 58°F
- Rain: 10%
- Snow: 0%
- Wind
11.2 mph - Humidity
67% avg. - UV Index
3.8 - Air QualityGood
- Sunrise
07:17 AM - Sunset
05:56 PM - Moonrise
09:23 PM - Moonset
12:11 PM - Moon Phase
Waning Gibbous - Hourly
Overcast
Geff IL Weather Forecast for Sat 10-31
Overcast with a high of 73°F and a low of 59°F. There might be light rainfall having a 11% chance. Wind will be moderate, blowing around 11mph on average and gusts of 23.5mph at 2 AM. Humidity levels should be comfortable, sitting around 45% on average, the maximum being 63% at 10 PM and 32% being its lowest at 2 AM. Barometric pressure is its highest of 30.28 at 10 AM, a lowest point of 30.18 at 3 PM with an avg 30.23.
- HI: 73°F
- LO: 59°F
- Rain: 11%
- Snow: 0%
- Wind
10.1 mph - Humidity
45% avg. - UV Index
2 - Air QualityGood
- Sunrise
07:19 AM - Sunset
05:55 PM - Moonrise
10:34 PM - Moonset
01:02 PM - Moon Phase
Last Quarter - Hourly
Isolated Showers
Geff IL Weather Forecast for Sun 11-1
Isolated Showers with a high of 67°F and a low of 57°F. It will likey rain, having a 83% chance of a downpour with an estimated 0.15in. Wind will be moderate, blowing around 14mph on average and gusts of 26mph at 2 AM. High humidity with average of 85% is anticipated, the maximum being 93% at 8 AM and 63% being its lowest at 12 AM. Barometric pressure is its highest of 30.28 at 9 AM, a lowest point of 30.16 at 2 PM with an avg 30.21.
- HI: 67°F
- LO: 57°F
- Rain: 83% | est. 0.15in
- Snow: 0%
- Wind
13.6 mph - Humidity
85% avg. - UV Index
0.4 - Air QualityGood
- Sunrise
06:20 AM - Sunset
04:54 PM - Moonrise
10:49 PM - Moonset
12:44 PM - Moon Phase
Last Quarter - Hourly
Overcast
Geff IL Weather Forecast for Mon 11-2
Overcast with a high of 67°F and a low of 57°F. There's a moderate 38% chance of rainfall. Wind will be moderate, blowing around 15mph on average and gusts of 29.3mph at 11 PM. High humidity with average of 86% is anticipated, the maximum being 94% at 7 AM and 74% being its lowest at 3 PM. Barometric pressure is its highest of 30.21 at 12 AM, a lowest point of 29.98 at 11 PM with an avg 30.09.
- HI: 67°F
- LO: 57°F
- Rain: 38%
- Snow: 0%
- Wind
14.5 mph - Humidity
86% avg. - UV Index
0.8 - Air QualityGood
- Sunrise
06:21 AM - Sunset
04:53 PM - Moonrise
Does not rise today - Moonset
01:18 PM - Moon Phase
Last Quarter - Hourly
Overcast
Geff IL Weather Forecast for Tue 11-3
Overcast with a high of 72°F and a low of 59°F. There might be light rainfall having a 24% chance. Wind will be moderate, blowing around 20mph on average and gusts of 34.7mph at 8 AM. The humidity will be on the higher side, averaging about 77%, the maximum being 91% at 2 AM and 63% being its lowest at 12 PM. Barometric pressure is its highest of 30.01 at 12 AM, a lowest point of 29.8 at 11 PM with an avg 29.9.
- HI: 72°F
- LO: 59°F
- Rain: 24%
- Snow: 0%
- Wind
19.9 mph - Humidity
77% avg. - UV Index
5 - Air QualityGood
- Sunrise
06:22 AM - Sunset
04:51 PM - Moonrise
12:02 AM - Moonset
01:48 PM - Moon Phase
Waning Crescent - Hourly
Light Rain
Geff IL Weather Forecast for Wed 11-4
Light Rain with a high of 66°F and a low of 56°F. It will likey rain, having a 90% chance of a downpour with an estimated 0.74in. Wind will be moderate, blowing around 15mph on average and gusts of 30mph at 3 AM. High humidity with average of 87% is anticipated, the maximum being 94% at 11 AM and 79% being its lowest at 12 AM. Barometric pressure is its highest of 29.79 at 12 AM, a lowest point of 29.71 at 1 PM with an avg 29.74.
- HI: 66°F
- LO: 56°F
- Rain: 90% | est. 0.74in
- Snow: 0%
- Wind
14.3 mph - Humidity
87% avg. - UV Index
4 - Air QualityTBA
- Sunrise
06:23 AM - Sunset
04:50 PM - Moonrise
01:14 AM - Moonset
02:15 PM - Moon Phase
Waning Crescent - Hourly
Overcast
Geff IL Weather Forecast for Thu 11-5
Overcast with a high of 61°F and a low of 50°F. Rainfall expected to have a 63% chance with an estimated 0.07in. Winds will be light at 9mph and gusts of 21.8mph at 6 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 90% at 6 AM and 64% being its lowest at 12 PM. Barometric pressure is its highest of 29.87 at 11 PM, a lowest point of 29.75 at 2 AM with an avg 29.79.
- HI: 61°F
- LO: 50°F
- Rain: 63% | est. 0.07in
- Snow: 0%
- Wind
8.5 mph - Humidity
77% avg. - UV Index
4 - Air QualityTBA
- Sunrise
06:24 AM - Sunset
04:49 PM - Moonrise
02:25 AM - Moonset
02:40 PM - Moon Phase
Waning Crescent - Hourly
Partly Cloudy
Geff IL Weather Forecast for Fri 11-6
Partly Cloudy with a high of 62°F and a low of 49°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 7mph and gusts of 14mph at 12 AM. The humidity will be on the higher side, averaging about 71%, the maximum being 90% at 6 AM and 52% being its lowest at 1 PM. Barometric pressure is its highest of 30.14 at 11 PM, a lowest point of 29.88 at 12 AM with an avg 30.01.
- HI: 62°F
- LO: 49°F
- Rain: 9%
- Snow: 0%
- Wind
6.7 mph - Humidity
71% avg. - UV Index
5 - Air QualityTBA
- Sunrise
06:25 AM - Sunset
04:48 PM - Moonrise
03:35 AM - Moonset
03:07 PM - Moon Phase
Waning Crescent - Hourly
Partly Cloudy
Geff IL Weather Forecast for Sat 11-7
Partly Cloudy with a high of 58°F and a low of 45°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 7mph and gusts of 15.1mph at 12 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 83% at 6 AM and 50% being its lowest at 12 PM. Barometric pressure is its highest of 30.32 at 10 PM, a lowest point of 30.15 at 12 AM with an avg 30.27.
- HI: 58°F
- LO: 45°F
- Rain: 9%
- Snow: 0%
- Wind
6.3 mph - Humidity
68% avg. - UV Index
4 - Air QualityTBA
- Sunrise
06:26 AM - Sunset
04:47 PM - Moonrise
04:46 AM - Moonset
03:35 PM - Moon Phase
New Moon - Hourly
Sunny
Geff IL Weather Forecast for Sun 11-8
Sunny with a high of 60°F and a low of 45°F. There's a moderate 36% chance of rainfall with an estimated 0.01in. Winds will be light at 6mph and gusts of 18.6mph at 12 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 78% at 6 AM and 46% being its lowest at 12 PM. Barometric pressure is its highest of 30.33 at 5 AM, a lowest point of 30.29 at 3 PM with an avg 30.31.
- HI: 60°F
- LO: 45°F
- Rain: 36% | est. 0.01in
- Snow: 0%
- Wind
6 mph - Humidity
66% avg. - UV Index
5 - Air QualityTBA
- Sunrise
06:27 AM - Sunset
04:46 PM - Moonrise
05:57 AM - Moonset
04:07 PM - Moon Phase
New Moon - Hourly
This 10-Day weather forecast is valid for ZIP code 62842, accurately covering the area of Geff, IL.
Currently
 |
59°F |
30.23 inHg.
Barometer 95%
Humidity NE 12.2 mph Wind |
| Mist | ||
National Outlook
High Elevation Snow and Heavy Rain Expected in the Northwest and Southwest - 10-29 to 10-31
Thu Oct 29th 2026, 8:03am PDT
Read
Rain and Thunderstorms Spread Across the U.S. 11-01 to 11-05
Extended Forecast
Thu Oct 29th 2026, 8:05am PDT
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Thu Oct 29th 2026, 8:05am PDT
Weather Forecast Nearby
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