Collinsville, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Collinsville, a town in Dekalb County, Alabama.
This Afternoon
96°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Sunny, with a high near 96. Heat index values as high as 101. North wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Collinsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 96°F | Slight Chance Showers And Thunderstorms | 5 mph N | 20% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 20% |
| Saturday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 42% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 27% |
| Sunday | 93°F | Patchy Fog then Sunny | 0 to 5 mph SSE | 13% |
| Sunday Night | 68°F | Partly Cloudy | 0 mph | 13% |
| Monday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 23% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 0 mph | 42% |
| Tuesday | 91°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 54% |
| Tuesday Night | 66°F | Chance Showers And Thunderstorms | 0 to 5 mph ENE | 54% |
| Wednesday | 86°F | Chance Showers And Thunderstorms | 5 mph NE | 33% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph NNE | 33% |
| Thursday | 84°F | Mostly Sunny | 5 to 10 mph NNE | 9% |
| Thursday Night | 60°F | Mostly Clear | 5 mph N | 9% |
Forecast source: National Weather Service (api.weather.gov) for Collinsville (34.267, -85.869). Updated through the day.
Growing snapshot for Collinsville
Last spring frost
Apr 1
First fall frost
Oct 31
Growing season
212 days
Hardiness zone
8a
More local growing data for Collinsville: nearby ZIP 35961 weather · frost dates · planting calendar · Alabama frost dates
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Climate data from the nearest NOAA station, Gadsden 19 N, Al (6.8 mi from Collinsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.