Collinsville, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Collinsville, a town in Dekalb County, Alabama.
Today
88°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely between 1pm and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. North wind around 0 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Collinsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Chance Showers And Thunderstorms | 0 mph | 60% |
| Tonight | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 48% |
| Wednesday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 64% |
| Wednesday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 16% |
| Thursday | 90°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 37% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 37% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 30% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 30% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 0 mph | 44% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 44% |
| Sunday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 40% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 40% |
| Monday | 90°F | Chance Showers And Thunderstorms | 0 to 5 mph WSW | 53% |
| Monday Night | 72°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 mph | 53% |
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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Valley Head
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 Aug 4, 2026.