Annapolis, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Annapolis, a community in Crawford County, Illinois.
Overnight
61°F
Light Rain
Rain. Cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Annapolis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Light Rain | 15 mph S | 91% |
| Wednesday | 65°F | Areas Of Drizzle | 10 to 15 mph SW | 33% |
| Wednesday Night | 45°F | Patchy Drizzle then Mostly Cloudy | 7 to 10 mph WSW | 10% |
| Thursday | 64°F | Mostly Sunny | 9 to 14 mph WSW | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 6 mph WNW | 0% |
| Friday | 57°F | Partly Sunny | 6 to 12 mph NNW | 2% |
| Friday Night | 35°F | Partly Cloudy | 5 to 9 mph NNW | 0% |
| Saturday | 55°F | Sunny | 7 mph NNW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 3 mph NW | 0% |
| Sunday | 60°F | Sunny | 3 to 9 mph WNW | 2% |
| Sunday Night | 33°F | Clear | 5 mph W | 0% |
| Monday | 63°F | Sunny | 2 to 8 mph SW | 0% |
| Monday Night | 37°F | Clear | 5 mph SW | 0% |
| Tuesday | 67°F | Sunny | 7 mph W | 1% |
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 Nov 4, 2026.