Dayton, WA Weather Forecast

Local 7-day forecast

79°
F

Patchy Fog then Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Dayton, WA in one place.

Saturday, July 18, 2026
Wind: 1 to 8 mph NW
Saturday

Patchy fog before 8am. Sunny, with a high near 79. Northwest wind 1 to 8 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Dayton, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 17, 2026 12:11 AM PDT.

The active forecast window currently covers Jul 18 to Jul 23, 2026 for Dayton, WA.

Page Snapshot

Page focus
city weather
Forecast window
Jul 18 to Jul 23, 2026
Latest sync
Jul 17, 2026 12:11 AM PDT
Forecast office
PQR
Source
NOAA / NWS
Next High
79°F
Saturday
Next Low
51°F
Saturday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
1 to 8 mph
Saturday

Daily Outlook

Today
Jul 18
Patchy Fog then Sunny
79 °F
/ 51°F
Wind 1 to 8 mph
Sun
Jul 19
Sunny
83 °F
/ 53°F
Wind 2 to 7 mph
Mon
Jul 20
Partly Sunny
87 °F
/ 58°F
Wind 3 mph
Tue
Jul 21
Mostly Sunny
87 °F
/ 57°F
Wind 0 to 5 mph
Wed
Jul 22
Sunny
87 °F
/ 56°F
Wind 0 to 6 mph
Thu
Jul 23
Sunny
84 °F
Wind 0 to 6 mph

This Week in Dayton

Monday looks like the warmest upcoming period in Dayton at 87 degrees F.

Saturday Night is the coolest period ahead with temperatures near 51 degrees F.

The strongest winds are forecast for Saturday at about 1 to 8 mph NW.

The forecast from Jul 18 through Jul 23 stays mostly dry.

Forecast Details

Last updated
Jul 17, 2026 12:11 AM PDT
Coverage
6 days
Time zone
America/Los_Angeles
Forecast office
PQR
Radar station
KRTX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday Night
Jul 18
51°F
Mostly Clear
2 to 8 mph NW

Mostly clear, with a low around 51. Northwest wind 2 to 8 mph.

Sunday
Jul 19
83°F
Sunny
2 to 7 mph NW

Sunny, with a high near 83.

Sunday Night
Jul 19
53°F
Partly Cloudy
1 to 7 mph NNW

Partly cloudy, with a low around 53.

Monday
Jul 20
87°F
Partly Sunny
3 mph NW

Partly sunny, with a high near 87.

Monday Night
Jul 20
58°F
Mostly Cloudy
0 to 3 mph NNW

Mostly cloudy, with a low around 58.

Tuesday
Jul 21
87°F
Mostly Sunny
0 to 5 mph NW

Mostly sunny, with a high near 87.

Tuesday Night
Jul 21
57°F
Partly Cloudy
0 to 5 mph NNW

Partly cloudy, with a low around 57.

Wednesday
Jul 22
87°F
Sunny
0 to 6 mph NW

Sunny, with a high near 87.

Wednesday Night
Jul 22
56°F
Mostly Clear
0 to 6 mph NNW

Mostly clear, with a low around 56.

Thursday
Jul 23
84°F
Sunny
0 to 6 mph NW

Sunny, with a high near 84.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Jul 18
Patchy Fog then Sunny
79°F
1 to 8 mph
NW
Saturday Night
Jul 18
Mostly Clear
51°F
2 to 8 mph
NW
Sunday
Jul 19
Sunny
83°F
2 to 7 mph
NW
Sunday Night
Jul 19
Partly Cloudy
53°F
1 to 7 mph
NNW
Monday
Jul 20
Partly Sunny
87°F
3 mph
NW
Monday Night
Jul 20
Mostly Cloudy
58°F
0 to 3 mph
NNW
Tuesday
Jul 21
Mostly Sunny
87°F
0 to 5 mph
NW
Tuesday Night
Jul 21
Partly Cloudy
57°F
0 to 5 mph
NNW
Wednesday
Jul 22
Sunny
87°F
0 to 6 mph
NW
Wednesday Night
Jul 22
Mostly Clear
56°F
0 to 6 mph
NNW
Thursday
Jul 23
Sunny
84°F
0 to 6 mph
NW
Historic Courthouse Dayton Washington
Historic Courthouse Dayton Washington 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.