Astoria, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Astoria, a town in Fulton County, Illinois.
Today
88°F
Sunny
Sunny, with a high near 88. South wind around 5 mph.
7-day forecast for Astoria
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 5 mph S | 0% |
| Tonight | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSE | 15% |
| Wednesday | 85°F | Chance Showers And Thunderstorms | 5 mph SSW | 44% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph NNE | 88% |
| Thursday | 81°F | Showers And Thunderstorms | 2 mph S | 80% |
| Thursday Night | 64°F | Partly Cloudy | 1 mph SE | 9% |
| Friday | 84°F | Mostly Sunny | 0 mph | 5% |
| Friday Night | 65°F | Chance Showers And Thunderstorms | 0 mph | 26% |
| Saturday | 87°F | Slight Chance Showers And Thunderstorms then Sunny | 0 to 3 mph SSW | 19% |
| Saturday Night | 70°F | Mostly Clear | 1 to 5 mph SSW | 9% |
| Sunday | 89°F | Sunny | 6 to 10 mph SSW | 4% |
| Sunday Night | 71°F | Mostly Clear | 5 to 8 mph SSW | 14% |
| Monday | 89°F | Mostly Sunny | 8 mph SSW | 14% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 7 mph SW | 28% |
Forecast source: National Weather Service (api.weather.gov) for Astoria (40.228, -90.357). Updated through the day.
Growing snapshot for Astoria
Last spring frost
Apr 17
First fall frost
Oct 19
Growing season
185 days
Hardiness zone
6a
More local growing data for Astoria: nearby ZIP 61501 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Havana, Il (14 mi from Astoria). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.