Dayton, WA Weather Forecast
Local 7-day forecast
Light Rain Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Dayton, WA in one place.
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 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
Daily Outlook
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 sourceExtended Forecast
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%.
Partly cloudy. Low around 37, with temperatures rising to around 40 overnight. North wind around 3 mph.
Partly sunny, with a high near 63. North wind around 3 mph.
Mostly cloudy, with a low around 39. North northwest wind 0 to 3 mph.
Mostly cloudy, with a high near 57.
Areas of fog after 10pm. Partly cloudy, with a low around 36.
Patchy fog before 8am, then patchy frost between 8am and 9am. Sunny, with a high near 63.
Patchy fog between 10pm and 5am. Mostly clear, with a low around 37.
Patchy fog between 8am and 9am. Sunny, with a high near 66.
Partly cloudy, with a low around 38.
A chance of rain after 11am. Partly sunny, with a high near 57.
A chance of rain. Mostly cloudy, with a low around 36.
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
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Dayton.