Atkinson, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Atkinson, a town in Henry County, Illinois.
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph.
7-day forecast for Atkinson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 5 to 10 mph SW | 2% |
| Tonight | 68°F | Showers And Thunderstorms Likely | 5 mph S | 60% |
| Wednesday | 78°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph W | 77% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 0 to 5 mph N | 81% |
| Thursday | 78°F | Slight Chance Showers And Thunderstorms | 5 mph NE | 53% |
| Thursday Night | 62°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph E | 17% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph SE | 8% |
| Friday Night | 65°F | Mostly Clear | 0 to 5 mph S | 9% |
| Saturday | 84°F | Sunny | 5 to 10 mph SW | 9% |
| Saturday Night | 71°F | Mostly Clear | 5 to 10 mph S | 12% |
| Sunday | 86°F | Sunny | 10 to 15 mph SW | 12% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 10 mph S | 33% |
| Monday | 85°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 33% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 mph SW | 35% |
Forecast source: National Weather Service (api.weather.gov) for Atkinson (41.413, -90.005). Updated through the day.
Growing snapshot for Atkinson
Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
5b
More local growing data for Atkinson: nearby ZIP 61235 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Geneseo, Il (7.3 mi from Atkinson). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.