Grant County, WA Weather Forecast

County weather hub

80°
F

Slight Chance Rain Showers

Compare major city weather across Grant County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Wednesday, June 3, 2026
Wind: 3 to 14 mph SW
Today

A slight chance of rain showers after 11am. Mostly cloudy. High near 80, with temperatures falling to around 77 in the afternoon. Southwest wind 3 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

County weather hub

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
Jun 3 to Jun 9, 2026
Latest sync
Jun 3, 2026 9:52 AM PDT
Forecast office
OTX
Source
NOAA / NWS
Next High
80°F
Today
Next Low
48°F
Tonight
Rain Outlook
2
Periods mentioning precipitation
Windiest
5 to 20 mph
Friday

Daily Outlook

Today
Jun 3
Slight Chance Rain Showers
80 °F
/ 48°F
Wind 3 to 14 mph
Thu
Jun 4
Sunny
79 °F
/ 46°F
Wind 9 to 13 mph
Fri
Jun 5
Sunny
75 °F
/ 42°F
Wind 5 to 20 mph
Sat
Jun 6
Sunny
69 °F
/ 40°F
Wind 9 to 16 mph
Sun
Jun 7
Sunny
74 °F
/ 46°F
Wind 5 to 9 mph
Mon
Jun 8
Partly Sunny
76 °F
/ 48°F
Wind 5 to 10 mph
Tue
Jun 9
Mostly Sunny
79 °F
/ 49°F
Wind 6 to 12 mph

This Week in Grant County

Today looks like the warmest upcoming period in Grant County at 80 degrees F.

Saturday Night is the coolest period ahead with temperatures near 40 degrees F.

The strongest winds are forecast for Friday at about 5 to 20 mph SW.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Jun 3, 2026 9:52 AM 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 source

Extended Forecast

Tonight
Jun 3
48°F
Slight Chance Rain Showers then Mostly Clear
9 to 16 mph W

A slight chance of rain showers before 11pm. Mostly clear, with a low around 48. West wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Thursday
Jun 4
79°F
Sunny
9 to 13 mph SW

Sunny. High near 79, with temperatures falling to around 77 in the afternoon. Southwest wind 9 to 13 mph.

Thursday Night
Jun 4
46°F
Mostly Clear
5 to 13 mph W

Mostly clear, with a low around 46. West wind 5 to 13 mph.

Friday
Jun 5
75°F
Sunny
5 to 20 mph SW

Sunny, with a high near 75. Southwest wind 5 to 20 mph, with gusts as high as 31 mph.

Friday Night
Jun 5
42°F
Mostly Clear
9 to 20 mph W

Mostly clear, with a low around 42.

Saturday
Jun 6
69°F
Sunny
9 to 16 mph SW

Sunny, with a high near 69.

Saturday Night
Jun 6
40°F
Mostly Clear
6 to 16 mph W

Mostly clear, with a low around 40.

Sunday
Jun 7
74°F
Sunny
5 to 9 mph SW

Sunny, with a high near 74.

Sunday Night
Jun 7
46°F
Partly Cloudy
5 to 8 mph NE

Partly cloudy, with a low around 46.

Monday
Jun 8
76°F
Partly Sunny
5 to 10 mph N

Partly sunny, with a high near 76.

Monday Night
Jun 8
48°F
Mostly Cloudy
6 to 10 mph W

Mostly cloudy, with a low around 48.

Tuesday
Jun 9
79°F
Mostly Sunny
6 to 12 mph W

Mostly sunny, with a high near 79.

Tuesday Night
Jun 9
49°F
Partly Cloudy
8 to 13 mph W

Partly cloudy, with a low around 49.

Detailed Forecast

Period Conditions Temp Wind
Today
Jun 3
Slight Chance Rain Showers
80°F
3 to 14 mph
SW
Tonight
Jun 3
Slight Chance Rain Showers then Mostly Clear
48°F
9 to 16 mph
W
Thursday
Jun 4
Sunny
79°F
9 to 13 mph
SW
Thursday Night
Jun 4
Mostly Clear
46°F
5 to 13 mph
W
Friday
Jun 5
Sunny
75°F
5 to 20 mph
SW
Friday Night
Jun 5
Mostly Clear
42°F
9 to 20 mph
W
Saturday
Jun 6
Sunny
69°F
9 to 16 mph
SW
Saturday Night
Jun 6
Mostly Clear
40°F
6 to 16 mph
W
Sunday
Jun 7
Sunny
74°F
5 to 9 mph
SW
Sunday Night
Jun 7
Partly Cloudy
46°F
5 to 8 mph
NE
Monday
Jun 8
Partly Sunny
76°F
5 to 10 mph
N
Monday Night
Jun 8
Mostly Cloudy
48°F
6 to 10 mph
W
Tuesday
Jun 9
Mostly Sunny
79°F
6 to 12 mph
W
Tuesday Night
Jun 9
Partly Cloudy
49°F
8 to 13 mph
W
Ephrata  WA - Grant County Courthouse
Ephrata WA - Grant County Courthouse image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.