Dayton, WA Weather Forecast

Local 7-day forecast

48°
F

Light Rain Likely

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

Saturday, October 17, 2026
Wind: 1 mph WNW
Overnight

Rain likely after 4am. Mostly cloudy. Low around 48, with temperatures rising to around 50 overnight. West northwest wind around 1 mph. Chance of precipitation is 60%.

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: Oct 17, 2026 2:01 AM PDT.

The active forecast window currently covers Oct 17 to Oct 23, 2026 for Dayton, WA.

Page Snapshot

Page focus
city weather
Forecast window
Oct 17 to Oct 23, 2026
Latest sync
Oct 17, 2026 2:01 AM PDT
Forecast office
PQR
Source
NOAA / NWS
Next High
62°F
Saturday
Next Low
48°F
Overnight
Rain Outlook
5
Periods mentioning precipitation
Windiest
0 to 5 mph
Saturday

Daily Outlook

Today
Oct 17
Chance Light Rain then Partly Sunny
62 °F
/ 48°F
Wind 0 to 5 mph
Sun
Oct 18
Partly Sunny
63 °F
/ 39°F
Wind 3 mph
Mon
Oct 19
Mostly Cloudy
57 °F
/ 36°F
Wind 1 mph
Tue
Oct 20
Patchy Fog then Sunny
63 °F
/ 37°F
Wind 1 to 5 mph
Wed
Oct 21
Patchy Fog then Sunny
66 °F
/ 38°F
Wind 0 to 3 mph
Thu
Oct 22
Chance Light Rain
57 °F
/ 36°F
Wind 2 mph
Fri
Oct 23
Chance Light Rain
55 °F
Wind 1 mph

This Week in Dayton

Wednesday looks like the warmest upcoming period in Dayton at 66 degrees F.

Monday Night is the coolest period ahead with temperatures near 36 degrees F.

The strongest winds are forecast for Saturday at about 0 to 5 mph WNW.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
Oct 17, 2026 2:01 AM PDT
Coverage
7 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
Oct 17
62°F
Chance Light Rain then Partly Sunny
0 to 5 mph WNW

A chance of rain and patchy fog before 7am, then areas of fog and a slight chance of rain between 7am and 11am. Partly sunny. High near 62, with temperatures falling to around 60 in the afternoon. West northwest wind 0 to 5 mph. Chance of precipitation is 40%.

Saturday Night
Oct 17
37°F
Partly Cloudy
3 mph N

Partly cloudy. Low around 37, with temperatures rising to around 40 overnight. North wind around 3 mph.

Sunday
Oct 18
63°F
Partly Sunny
3 mph N

Partly sunny, with a high near 63. North wind around 3 mph.

Sunday Night
Oct 18
39°F
Mostly Cloudy
0 to 3 mph NNW

Mostly cloudy, with a low around 39. North northwest wind 0 to 3 mph.

Monday
Oct 19
57°F
Mostly Cloudy
1 mph SSW

Mostly cloudy, with a high near 57.

Monday Night
Oct 19
36°F
Areas Of Fog
1 mph N

Areas of fog after 10pm. Partly cloudy, with a low around 36.

Tuesday
Oct 20
63°F
Patchy Fog then Sunny
1 to 5 mph NNW

Patchy fog before 8am, then patchy frost between 8am and 9am. Sunny, with a high near 63.

Tuesday Night
Oct 20
37°F
Patchy Fog
1 to 5 mph N

Patchy fog between 10pm and 5am. Mostly clear, with a low around 37.

Wednesday
Oct 21
66°F
Patchy Fog then Sunny
0 to 3 mph N

Patchy fog between 8am and 9am. Sunny, with a high near 66.

Wednesday Night
Oct 21
38°F
Partly Cloudy
2 mph NNW

Partly cloudy, with a low around 38.

Thursday
Oct 22
57°F
Chance Light Rain
2 mph W

A chance of rain after 11am. Partly sunny, with a high near 57.

Thursday Night
Oct 22
36°F
Chance Light Rain
2 mph NW

A chance of rain. Mostly cloudy, with a low around 36.

Friday
Oct 23
55°F
Chance Light Rain
1 mph WNW

A chance of rain before 5pm. Partly sunny, with a high near 55.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Oct 17
Light Rain Likely
48°F
1 mph
WNW
Saturday
Oct 17
Chance Light Rain then Partly Sunny
62°F
0 to 5 mph
WNW
Saturday Night
Oct 17
Partly Cloudy
37°F
3 mph
N
Sunday
Oct 18
Partly Sunny
63°F
3 mph
N
Sunday Night
Oct 18
Mostly Cloudy
39°F
0 to 3 mph
NNW
Monday
Oct 19
Mostly Cloudy
57°F
1 mph
SSW
Monday Night
Oct 19
Areas Of Fog
36°F
1 mph
N
Tuesday
Oct 20
Patchy Fog then Sunny
63°F
1 to 5 mph
NNW
Tuesday Night
Oct 20
Patchy Fog
37°F
1 to 5 mph
N
Wednesday
Oct 21
Patchy Fog then Sunny
66°F
0 to 3 mph
N
Wednesday Night
Oct 21
Partly Cloudy
38°F
2 mph
NNW
Thursday
Oct 22
Chance Light Rain
57°F
2 mph
W
Thursday Night
Oct 22
Chance Light Rain
36°F
2 mph
NW
Friday
Oct 23
Chance Light Rain
55°F
1 mph
WNW
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.