Pleasant Plains, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pleasant Plains, a village in Sangamon County, Illinois.
This Afternoon
88°F
Mostly Sunny
Mostly sunny, with a high near 88. East wind around 7 mph.
7-day forecast for Pleasant Plains
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Mostly Sunny | 7 mph E | 13% |
| Tonight | 72°F | Partly Cloudy | 9 mph ESE | 8% |
| Saturday | 92°F | Partly Sunny | 9 mph SSW | 9% |
| Saturday Night | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 7 mph SSW | 33% |
| Sunday | 85°F | Rain Showers Likely | 3 to 9 mph NNW | 60% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 8 to 12 mph NE | 70% |
| Monday | 71°F | Showers And Thunderstorms Likely | 12 mph NE | 70% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 8 to 14 mph NE | 46% |
| Tuesday | 68°F | Chance Rain Showers then Mostly Cloudy | 12 mph NE | 32% |
| Tuesday Night | 51°F | Mostly Cloudy | 5 to 12 mph NNE | 4% |
| Wednesday | 71°F | Partly Sunny | 6 to 9 mph NNE | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 2 to 7 mph NNE | 0% |
| Thursday | 72°F | Mostly Sunny | 3 to 7 mph NNE | 4% |
| Thursday Night | 55°F | Partly Cloudy | 2 to 6 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Pleasant Plains (39.875, -89.918). Updated through the day.
Growing snapshot for Pleasant Plains
Last spring frost
Apr 19
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
6a
More local growing data for Pleasant Plains: nearby ZIP 62677 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Berlin
Buffalo
Cantrall
Chatham
Curran
Dawson
Divernon
Grandview
Illiopolis
Jerome
Leland Grove
Loami
Mechanicsburg
New Berlin
Pawnee
Riverton
Rochester
Sherman
Southern View
Spaulding
Springfield
Thayer
Williamsville
Climate data from the nearest NOAA station, Athens 4Sw, Il (6.8 mi from Pleasant Plains). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.