Peotone Weather

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Will County
 Details for Will County Severe Thunderstorm Watch
National Weather Service in Chicago Citizens Weather Observer Program Midwestern Weather Network Supplemental rain data collection Weather Underground Peotone Fire Department Collection of personal weather stations


Current Conditions

Updated: @ 21-Aug-2026 4:06pm  
Summary / Temperature Wind Rain Outlook
Currently: 81, Max: 81, Min: 57 81°F
Warmer 2.0°F than last hour.

Warm

Feels like: 85°F

24-hr difference
-1°FColder 1.0°F than yesterday at this time.
  Today Yesterday
High: 81°F
3:33pm 		83°F
3:27pm
Low: 57°F
6:12am 		61°F
6:36am
Wind from SSE SSE
12
Gust:
 16 mph
3 Bft - Gentle breeze
Today: 17 mph 2:58pm
Gust Month: 78 mph August 11
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 7.12 in
Season Total: 37.81 in
2 days since last rain.
Tonight

Tonight: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Humidity & Barometer Almanac Moon
Humidity: 63 % Decreased 1.0% since last hour.
Dew Point: 67°F Increased 1.0°F since last hour.
Barometer: 30 inHg Falling 0.03 inHg/hr
Baro Trend: Falling
Sunrise: 6:05am
Sunset: 7:43pm
Moonset: 12:00am
Moonrise: 3:48pm
Waxing Gibbous
Waxing Gibbous, Moon at 9 days in cycle
67%
Illuminated
UV Index Solar Radiation
   2.6     Low 
High: 5.9 @ 2:01pm
552 W/m2
High: 979 @  2:15pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Hi 80 °F		 NWS forecast: A slight chance of showers and thunderstorms after 4pm. Some of the storms could be severe. Mostly sunny. High near 80, with temperatures falling to around 78 in the afternoon. Southwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
Davis VP+ forecast: Increasing clouds and warmer. Precip possible within 12 to 24 hrs Windy
 
Tonight

Tonight: Showers And Thunderstorms Likely
Showers And T-Storms Likely

Lo 62 °F		 NWS forecast: Showers and thunderstorms likely before 2am. Some of the storms could be severe. Mostly cloudy. Low around 62, with temperatures rising to around 64 overnight. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.


National Weather Service Forecast for Peotone!

Saturday

Saturday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
Saturday
Night
Saturday Night: Slight Chance Showers And Thunderstorms then Mostly Clear
Slight Chance Showers And T-Storms then Mostly Clear
Sunday

Sunday: Sunny
Sunny
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday

Monday: Mostly Sunny
Mostly Sunny
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Hi 78 °FLo 58 °FHi 75 °FLo 54 °FHi 76 °FLo 57 °FHi 77 °F

County Advisories
m

Todays Hi / Low
Daily Extremes
High Humidity 98%  7:53am
Low Humidity 0.08%  3:34pm
High Dew Point 68  4:03pm
Low Dew Point 56°F  6:12am
Low Wind Chill 57 6:12am
High Heat Index 84 4:03pm

Current Snow
Snow
Storm Total 0.0 in
Total Snow Depth 0.0 in
Ice 0.0 in
Winter(2025-2026) 29.1 in

Evapotranspiration
Today/Month/Year
Today 0.08 in
Today's Rate 0.03 in/hr
Month High 0.19 in  8/20/26
Month Average 0.05 in
Year High 0.28 in  6/4/26
Year Average 0.04 in

UV / Solar Data
UV Month/Year
Monthly High 8.8  8/3/26
Yearly High 10.2 6/10/26
Solar Radiation Month/Year
Monthly High 1185 W/m2 8/15/26
Yearly High 1308 W/m2 4/30/26

Barometer
Daily/Month/Year
Daily High 30.10 inHg 12:22am
Daily Low 30.00 inHg 4:06pm
Monthly High 30.15 inHg 8/14/26
Monthly Low 29.69 inHg 8/1/26
Yearly High 30.85 inHg 1/23/26
Yearly Low 29.20 inHg 3/15/26

Records and Average Hi/Low for Peotone

Records and Average Hi/Low for this date in Peotone Record Hi Record Low Record Rain Record Gust 19yr avg Hi/Low
***Records and average Hi/Low temps from data collected at peotoneweather.com since April 2007 90°F
2013		 51°F
2024		 1.51in
2014		 67mph
2014		 82°F / 62°F

Peotone's Yearly Records 2006-2026

 High Temperature  Low Temperature  High Wind Gust  High Heat Index  Low Wind Chill
 2006  99°F  7/31/06  2006  -05°F  02/18/06  2006  93mph  10/02/06  2006  n/a    2006  n/a  
 2007  95°F  6/14/07  2007  -04°F  12/06/07  2007  60mph  10/21/07  2007  n/a    2007  n/a  
 2008  98°F  9/02/08  2008  -09°F  1/25/08  2008  60mph  1/29/08  2008  n/a    2008  n/a  
 2009  96°F  6/24/09  2009  -20°F  1/16/09  2009  49mph  3/08/09  2009  109°F  6/19/09  2009  -41°F  1/16/09
 2010  94°F  7/04/10  2010  -05°F  1/10/10  2010  48mph  10/27/10  2010  116°F  7/23/10  2010  -21°F  1/03/10
 2011  101°F  7/21/11  2011  -08°F  2/10/11  2011  48mph  11/13/11  2011  121°F  7/20/11  2011  -25°F  1/10/11
 2012  100°F  7/07/12  2012  +03°F  1/20/12  2012  60mph  6/29/12  2012  118°F  7/06/12  2012  -07°F  1/20/12
 2013  96°F  7/18/13  2013  -03°F  12/12/13  2013  60mph  6/12/13  2013  111°F  7/19/13  2013  -21°F  12/12/13
 2014  92°F  5/08/14  2014  -14°F  01/06/14  2014  67mph  8/21/14  2014  113°F  8/25/14  2014  -45°F  1/06/14
 2015  92°F  7/17/15  2015  -08°F  02/27/15  2015  60mph  11/12/15  2015  115°F  7/17/15  2015  -30°F  1/08/15
 2016  94°F  6/10/16  2016  -11°F  12/19/16  2016  53mph  02/19/16  2016  116°F  7/24/16  2016  -24°F  12/19/16
 2017  96°F  6/12/17  2017  -07°F  12/27/17  2017  59mph  02/28/17  2017  109°F  7/19/17  2017  -21°F  12/27/17
 2018  99°F  5/27/18  2018  -14°F  01/02/18  2018  51mph  10/20/18  2018  116°F  6/30/18  2018  -33°F  01/02/18
 2019  97°F  7/20/19  2019  -23°F  01/30/19  2019  58mph  02/24/19  2019  115°F  7/19/19  2019  -58°F  01/30/19
 2020  95°F  7/07/20  2020  -08°F  02/14/20  2020  53mph  11/15/20  2020  112°F  7/26/20  2020  -24°F  01/19/20
 2021  96°F  8/24/21  2021  -13°F  02/07/21  2021  55mph  12/16/21  2021  123°F  8/10/21  2021  -30°F  02/07/21
 2022  100°F  6/14/22  2022  -11°F  01/26/22  2022  69mph  08/29/22  2022  119°F  7/05/22  2022  -41°F  12/26/22
 2023  97°F  8/24/23  2023  1.3°F  01/31/23  2023  66mph  03/31/23  2023  124°F  8/24/23  2023  -20°F  2/03/23
 2024  96°F  8/27/24  2024  -10°F  01/14/24  2024  54mph  12/04/24  2024  119°F  8/27/24  2024  -40°F  1/14/24
 2025  95°F  6/21/25  2025  -07°F  01/21/25  2025  62mph  05/15/25  2025  112°F  6/21/25  2025  -31°F  1/21/25
 2026  94°F  7/2/26  2026  -6°F  1/23/26  2026  87mph  08/11/26  2026  113°F  6/30/26  2026  -32°F  1/23/26

Season Countdown

 It is Summer. Fall (Autumn Equinox) begins September 22nd at 7:05pm CDT 
 

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