Collinsville, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Collinsville, a town in Grayson County, Texas.
Overnight
74°F
Mostly Clear
Mostly clear. Low around 74, with temperatures rising to around 76 overnight. South wind around 5 mph.
7-day forecast for Collinsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Mostly Clear | 5 mph S | 0% |
| Saturday | 98°F | Sunny | 5 to 10 mph SSW | 0% |
| Saturday Night | 75°F | Mostly Clear | 5 mph S | 0% |
| Sunday | 98°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 19% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph S | 55% |
| Monday | 92°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSE | 55% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph NE | 17% |
| Tuesday | 91°F | Mostly Sunny | 5 to 10 mph NNE | 11% |
| Tuesday Night | 67°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 91°F | Mostly Sunny | 5 mph ENE | 7% |
| Wednesday Night | 68°F | Partly Cloudy | 5 mph ENE | 2% |
| Thursday | 92°F | Mostly Sunny | 5 mph E | 7% |
| Thursday Night | 68°F | Partly Cloudy | 5 mph E | 7% |
| Friday | 92°F | Mostly Sunny | 5 mph E | 4% |
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
Nearby towns & communities
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Sadler
Sherman
Sherwood Shores
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Tom Bean
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Whitesboro
Whitewright
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 Sep 19, 2026.