Grant County, WA Weather Forecast
County weather hub
Sunny
Compare major city weather across Grant County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 91. West wind around 13 mph, with gusts as high as 21 mph.
County Weather Overview
This county weather page brings together forecast coverage for Grant County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 9 of 9 mapped cities in Grant County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 18 to Jul 24, 2026
- Latest sync
- Jul 18, 2026 5:29 PM PDT
- Forecast office
- OTX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grant County
Tuesday looks like the warmest upcoming period in Grant County at 100 degrees F.
Tonight is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Friday at about 6 to 16 mph SW.
The forecast from Jul 18 through Jul 24 stays mostly dry.
Forecast Details
- Last updated
- Jul 18, 2026 5:29 PM PDT
- Coverage
- 8 days
- Time zone
- America/Los_Angeles
- Forecast office
- OTX
- Radar station
- KOTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear. Low around 56, with temperatures rising to around 58 overnight. West wind 6 to 14 mph, with gusts as high as 23 mph.
Sunny, with a high near 92. West wind 2 to 6 mph.
Mostly cloudy, with a low around 61. West wind 2 to 7 mph.
Partly sunny, with a high near 95. Northeast wind 5 to 8 mph.
Mostly cloudy, with a low around 66.
Mostly sunny, with a high near 100.
Partly cloudy, with a low around 69.
Mostly sunny, with a high near 100.
Partly cloudy, with a low around 68.
Mostly sunny, with a high near 98.
Mostly clear, with a low around 66.
Sunny, with a high near 95.
Mostly clear, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 18
|
Sunny
|
91°F |
13 mph
W
|
|
Tonight
Jul 18
|
Mostly Clear
|
56°F |
6 to 14 mph
W
|
|
Sunday
Jul 19
|
Sunny
|
92°F |
2 to 6 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Cloudy
|
61°F |
2 to 7 mph
W
|
|
Monday
Jul 20
|
Partly Sunny
|
95°F |
5 to 8 mph
NE
|
|
Monday Night
Jul 20
|
Mostly Cloudy
|
66°F |
6 mph
NW
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
100°F |
6 mph
NW
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
69°F |
6 mph
W
|
|
Wednesday
Jul 22
|
Mostly Sunny
|
100°F |
3 to 12 mph
W
|
|
Wednesday Night
Jul 22
|
Partly Cloudy
|
68°F |
5 to 12 mph
W
|
|
Thursday
Jul 23
|
Mostly Sunny
|
98°F |
3 to 12 mph
SW
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
66°F |
6 to 12 mph
W
|
|
Friday
Jul 24
|
Sunny
|
95°F |
6 to 16 mph
SW
|
|
Friday Night
Jul 24
|
Mostly Clear
|
62°F |
7 to 16 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Grant County.
Coverage
Forecast coverage currently spans 9 of 9 mapped cities in Grant County.
Largest mapped city population in this region: 24,274.
