Annapolis, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Annapolis, a community in Crawford County, Illinois.
Today
84°F
Sunny
Sunny, with a high near 84. East wind around 3 mph.
7-day forecast for Annapolis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 3 mph E | 0% |
| Tonight | 64°F | Mostly Clear | 3 mph ESE | 0% |
| Wednesday | 86°F | Sunny | 1 to 5 mph S | 0% |
| Wednesday Night | 68°F | Partly Cloudy then Slight Chance Rain Showers | 3 mph S | 22% |
| Thursday | 84°F | Chance Showers And Thunderstorms | 3 to 8 mph SSW | 45% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 2 to 6 mph SSW | 44% |
| Friday | 84°F | Chance Showers And Thunderstorms | 3 to 7 mph SSW | 28% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 5 mph SSW | 28% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph SSW | 19% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SSW | 19% |
| Sunday | 87°F | Sunny | 6 to 12 mph SSW | 10% |
| Sunday Night | 71°F | Mostly Clear | 10 mph SSW | 10% |
| Monday | 88°F | Mostly Sunny | 8 to 12 mph SW | 13% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 9 mph SSW | 26% |
Forecast source: National Weather Service (api.weather.gov) for Annapolis (39.143, -87.817). Updated through the day.
Growing snapshot for Annapolis
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
190 days
Hardiness zone
6b
More local growing data for Annapolis: nearby ZIP 62413 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Robinson, Il (9.7 mi from Annapolis). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.