Buffalo, IL Weather Forecast | 5 Day
Updated: Tue Sep 22nd 2026 11:00 PM CDT
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Sunny
Tue 9-22-26
- HI: 70°F
- LO: 55°F
- Rainfall: 9% | est. 0in
- Snowfall: 0%
- Wind
12.8 mph - Humidity
71% avg. - UV Index
5.2 - Air Quality
- Sunrise
06:45 AM - Sunset
06:55 PM - Moonrise
05:13 PM - Moonset
02:44 AM - Moon Phase
Waxing Gibbous
Overcast
Weather Tomorrow, Wed 9-23-26
Overcast with a high of 71°F and a low of 56°F. There might be light rainfall having a 24% chance with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 17.7mph at 7 PM. The humidity will be on the higher side, averaging about 75%, the maximum being 95% at 1 AM and 56% being its lowest at 2 PM. Barometric pressure is its highest of 30.28inHg at 10 AM, a lowest point of 30.22inHg at 12 AM with an avg 30.25inHg.
- HI: 71°F
- LO: 56°F
- Rainfall: 24% | est. 0in
- Snowfall: 0%
- Wind
13 mph - Humidity
75% avg. - UV Index
6.1 - Air QualityGood
- Sunrise
06:46 AM - Sunset
06:53 PM - Moonrise
05:36 PM - Moonset
03:45 AM - Moon Phase
Waxing Gibbous
Overcast
Thu 9-24-26
Overcast with a high of 73°F and a low of 58°F. There might be light rainfall having a 20% chance with an estimated 0in. Winds will be light at 9mph and gusts of 15.7mph at 8 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 84% at 3 AM and 53% being its lowest at 4 PM. Barometric pressure is its highest of 30.27inHg at 10 AM, a lowest point of 30.17inHg at 5 PM with an avg 30.23inHg.
- HI: 73°F
- LO: 58°F
- Rainfall: 20% | est. 0in
- Snowfall: 0%
- Wind
8.3 mph - Humidity
74% avg. - UV Index
5.9 - Air QualityGood
- Sunrise
06:47 AM - Sunset
06:51 PM - Moonrise
05:57 PM - Moonset
04:46 AM - Moon Phase
Full Moon
Overcast
Fri 9-25-26
Overcast with a high of 72°F and a low of 62°F. There's a moderate 29% chance of rainfall with an estimated 0.01in. Winds will be light at 8mph and gusts of 16.1mph at 9 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 87% at 7 AM and 54% being its lowest at 4 PM. Barometric pressure is its highest of 30.23inHg at 9 AM, a lowest point of 30.12inHg at 5 PM with an avg 30.17inHg.
- HI: 72°F
- LO: 62°F
- Rainfall: 29% | est. 0.01in
- Snowfall: 0%
- Wind
7.6 mph - Humidity
73% avg. - UV Index
4.6 - Air QualityGood
- Sunrise
06:47 AM - Sunset
06:50 PM - Moonrise
06:17 PM - Moonset
05:47 AM - Moon Phase
Full Moon
Overcast
Sat 9-26-26
Overcast with a high of 63°F and a low of 56°F. Rainfall expected to have a 61% chance with an estimated 0.05in. Winds will be light at 8mph and gusts of 17.5mph at 1 AM. The humidity will be on the higher side, averaging about 68%, the maximum being 82% at 6 PM and 55% being its lowest at 7 AM. Barometric pressure is its highest of 30.17inHg at 11 AM, a lowest point of 30.1inHg at 5 PM with an avg 30.13inHg.
- HI: 63°F
- LO: 56°F
- Rainfall: 61% | est. 0.05in
- Snowfall: 0%
- Wind
7.2 mph - Humidity
68% avg. - UV Index
0.5 - Air QualityGood
- Sunrise
06:48 AM - Sunset
06:48 PM - Moonrise
06:38 PM - Moonset
06:49 AM - Moon Phase
Full Moon
Overcast
Sun 9-27-26
Overcast with a high of 65°F and a low of 58°F. There might be light rainfall having a 13% chance. Winds will be light at 6mph and gusts of 10.3mph at 11 PM. The humidity will be on the higher side, averaging about 62%, the maximum being 70% at 5 AM and 48% being its lowest at 4 PM. Barometric pressure is its highest of 30.11inHg at 11 AM, a lowest point of 30.06inHg at 6 PM with an avg 30.08inHg.
- HI: 65°F
- LO: 58°F
- Rainfall: 13%
- Snowfall: 0%
- Wind
5.8 mph - Humidity
62% avg. - UV Index
4 - Air QualityGood
- Sunrise
06:49 AM - Sunset
06:46 PM - Moonrise
07:01 PM - Moonset
07:51 AM - Moon Phase
Waning Gibbous
This 5-Day weather forecast is valid for ZIP code 62515, accurately covering the area of Buffalo, IL.
Currently
 |
56°F |
30.22 inHg.
Barometer 87%
Humidity NE 11.5 mph Wind |
| Clear | ||
National Outlook
Heavy Rains and Thunderstorms for the Mid-Atlantic and Southeast - 09-21 to 09-23
Mon Sep 21st 2026, 6:28am PDT
Read
Storms and Cool Temperatures Expected in the East 09-24 to 09-28
Extended Forecast
Mon Sep 21st 2026, 6:29am PDT
Read
Mon Sep 21st 2026, 6:29am PDT
5 Day Forecast Nearby
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