Astoria, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Astoria, a town in Fulton County, Illinois.
This Afternoon
84°F
Mostly Sunny
Mostly sunny, with a high near 84. East wind around 7 mph.
7-day forecast for Astoria
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Mostly Sunny | 7 mph E | 12% |
| Tonight | 71°F | Partly Cloudy | 8 mph ESE | 14% |
| Saturday | 90°F | Mostly Cloudy | 8 mph SSW | 11% |
| Saturday Night | 68°F | Mostly Cloudy then Chance Showers And Thunderstorms | 6 mph SW | 48% |
| Sunday | 79°F | Rain Showers Likely | 2 to 9 mph N | 66% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 68% |
| Monday | 67°F | Showers And Thunderstorms Likely | 12 mph NE | 68% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 8 to 12 mph NE | 43% |
| Tuesday | 65°F | Chance Rain Showers then Mostly Cloudy | 10 mph NE | 36% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 to 8 mph NNE | 4% |
| Wednesday | 68°F | Mostly Sunny | 7 mph NNE | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 1 to 5 mph NNE | 1% |
| Thursday | 70°F | Mostly Sunny | 5 mph NNE | 4% |
| Thursday Night | 55°F | Partly Cloudy | 3 mph NE | 4% |
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 Sep 19, 2026.