Mattawa, WA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mattawa, WA in one place.
Sunny. High near 64, with temperatures falling to around 61 in the afternoon. Northwest wind 6 to 15 mph, with gusts as high as 31 mph.
Local Weather Overview
This forecast page for Mattawa, 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 22, 2026 5:02 PM PDT.
The active forecast window currently covers Oct 23 to Oct 28, 2026 for Mattawa, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 23 to Oct 28, 2026
- Latest sync
- Oct 22, 2026 5:02 PM PDT
- Forecast office
- OTX
- Source
- NOAA / NWS
Daily Outlook
This Week in Mattawa
Friday looks like the warmest upcoming period in Mattawa at 64 degrees F.
Friday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Friday at about 6 to 15 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 22, 2026 5:02 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- OTX
- Radar station
- KPDT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Areas of frost after 2am. Mostly clear, with a low around 36. Northwest wind 1 to 6 mph.
Areas of frost before 9am. Mostly sunny, with a high near 57. Northeast wind 0 to 5 mph.
Partly cloudy, with a low around 37.
A slight chance of rain showers after 5pm. Mostly sunny, with a high near 58. Chance of precipitation is 20%.
A slight chance of rain showers before 5am. Partly cloudy, with a low around 38. Chance of precipitation is 20%.
Mostly sunny, with a high near 58.
A slight chance of rain showers between 11pm and 5am. Partly cloudy, with a low around 37. Chance of precipitation is 20%.
Mostly sunny, with a high near 58.
Partly cloudy, with a low around 36.
Mostly sunny, with a high near 57.
Partly cloudy, with a low around 36.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 23
|
Sunny
|
64°F |
6 to 15 mph
NW
|
|
Friday Night
Oct 23
|
Mostly Clear then Areas Of Frost
|
36°F |
1 to 6 mph
NW
|
|
Saturday
Oct 24
|
Areas Of Frost then Mostly Sunny
|
57°F |
0 to 5 mph
NE
|
|
Saturday Night
Oct 24
|
Partly Cloudy
|
37°F |
3 mph
NW
|
|
Sunday
Oct 25
|
Mostly Sunny then Slight Chance Rain Showers
|
58°F |
5 mph
N
|
|
Sunday Night
Oct 25
|
Slight Chance Rain Showers
|
38°F |
3 mph
N
|
|
Monday
Oct 26
|
Mostly Sunny
|
58°F |
5 mph
N
|
|
Monday Night
Oct 26
|
Slight Chance Rain Showers
|
37°F |
3 mph
NW
|
|
Tuesday
Oct 27
|
Mostly Sunny
|
58°F |
5 mph
NW
|
|
Tuesday Night
Oct 27
|
Partly Cloudy
|
36°F |
3 mph
NW
|
|
Wednesday
Oct 28
|
Mostly Sunny
|
57°F |
5 mph
N
|
|
Wednesday Night
Oct 28
|
Partly Cloudy
|
36°F |
3 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mattawa.
