Collinsville, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Collinsville, a town in Grayson County, Texas.
Tonight
49°F
Mostly Clear
Mostly clear. Low around 49, with temperatures rising to around 51 overnight. Northwest wind 5 to 10 mph.
7-day forecast for Collinsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Wednesday | 71°F | Mostly Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 50°F | Partly Cloudy then Patchy Fog | 0 to 5 mph SE | 0% |
| Thursday | 75°F | Sunny | 5 to 10 mph SSW | 12% |
| Thursday Night | 48°F | Mostly Clear | 5 to 10 mph NNW | 13% |
| Friday | 69°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 44°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 66°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Saturday Night | 44°F | Partly Cloudy | 0 mph | 4% |
| Sunday | 69°F | Sunny | 0 to 5 mph NNW | 2% |
| Sunday Night | 43°F | Clear | 0 mph | 1% |
| Monday | 71°F | Sunny | 0 to 5 mph SSW | 1% |
| Monday Night | 47°F | Mostly Clear | 0 to 5 mph S | 1% |
| Tuesday | 74°F | Sunny | 0 to 5 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov) for Collinsville (33.559, -96.907). Updated through the day.
Growing snapshot for Collinsville
Last spring frost
Mar 19
First fall frost
Nov 14
Growing season
242 days
Hardiness zone
8a
More local growing data for Collinsville: nearby ZIP 76233 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Gainesville 5 Ene, Tx (11.8 mi from Collinsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.