Gilmer, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gilmer, a city in Upshur County, Texas.
Today
99°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 99. Heat index values as high as 102. South wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast for Gilmer
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 18% |
| Tonight | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 18% |
| Wednesday | 98°F | Sunny | 0 to 5 mph SW | 5% |
| Wednesday Night | 76°F | Mostly Clear | 5 mph S | 4% |
| Thursday | 97°F | Sunny | 0 to 5 mph S | 7% |
| Thursday Night | 75°F | Mostly Clear | 0 to 5 mph S | 7% |
| Friday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 19% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 19% |
| Saturday | 94°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 16% |
| Saturday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 16% |
| Sunday | 94°F | Slight Chance Rain Showers | 0 to 5 mph S | 15% |
| Sunday Night | 74°F | Mostly Clear | 0 to 5 mph S | 8% |
| Monday | 95°F | Sunny | 0 to 5 mph S | 11% |
| Monday Night | 75°F | Partly Cloudy | 5 mph S | 11% |
Forecast source: National Weather Service (api.weather.gov) for Gilmer (32.732, -94.946). Updated through the day.
Growing snapshot for Gilmer
Last spring frost
Mar 26
First fall frost
Nov 8
Growing season
229 days
Hardiness zone
8b
More local growing data for Gilmer: nearby ZIP 75644 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gilmer 4 Wnw, Tx (4.2 mi from Gilmer). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.