Grimes County, TX Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Grimes County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 103. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Grimes County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Grimes County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 7:50 PM CDT
- Forecast office
- HGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grimes County
This Afternoon looks like the warmest upcoming period in Grimes County at 92 degrees F.
Saturday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Friday at about 15 to 25 mph N.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 7:50 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- HGX
- Radar station
- KGRK
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Heat index values as high as 102. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 7pm. Partly cloudy, with a low around 69. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Mostly sunny, with a high near 89. Southeast wind around 5 mph.
Mostly clear, with a low around 68.
Mostly sunny, with a high near 81.
Partly cloudy, with a low around 57.
Sunny, with a high near 74.
Mostly clear, with a low around 53.
Sunny, with a high near 78.
Partly cloudy, with a low around 60.
Partly sunny, with a high near 84.
Mostly cloudy, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 13
|
Chance Showers And Thunderstorms
|
92°F |
15 mph
S
|
|
Tonight
Oct 13
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
76°F |
10 to 15 mph
SE
|
|
Wednesday
Oct 14
|
Slight Chance Showers And Thunderstorms
|
90°F |
10 to 15 mph
SE
|
|
Wednesday Night
Oct 14
|
Chance Rain Showers then Partly Cloudy
|
69°F |
5 to 15 mph
SE
|
|
Thursday
Oct 15
|
Mostly Sunny
|
89°F |
5 mph
SE
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
68°F |
0 to 10 mph
E
|
|
Friday
Oct 16
|
Mostly Sunny
|
81°F |
15 to 25 mph
N
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
57°F |
15 to 25 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
74°F |
10 to 20 mph
NE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
53°F |
0 to 10 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
78°F |
5 mph
NE
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
60°F |
0 mph
|
|
Monday
Oct 19
|
Partly Sunny
|
84°F |
0 to 5 mph
NE
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
67°F |
0 to 5 mph
E
|
Major City Forecasts
Live forecast snapshots for major cities across Grimes County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Grimes County.
Largest mapped city population in this region: 8,374.
