Marietta, WA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Marietta, WA in one place.
Mostly sunny, with a high near 60. North northwest wind around 2 mph.
Local Weather Overview
This forecast page for Marietta, 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 14, 2026 2:44 PM PDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Marietta, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 2:44 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Marietta
Friday looks like the warmest upcoming period in Marietta at 62 degrees F.
Saturday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Friday Night at about 0 to 21 mph SSE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 2:44 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KATX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 48. North northwest wind around 1 mph.
Mostly sunny, with a high near 62. Wind around 0 mph.
Rain likely after 11pm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain likely before 11am. Mostly sunny, with a high near 57.
Partly cloudy, with a low around 43.
Partly sunny, with a high near 55.
A slight chance of rain after 5am. Mostly cloudy, with a low around 44.
A slight chance of rain. Mostly cloudy, with a high near 54.
A slight chance of rain before 5am. Mostly cloudy, with a low around 43.
Mostly sunny, with a high near 55.
Partly cloudy, with a low around 43.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Mostly Sunny
|
60°F |
2 mph
NNW
|
|
Thursday Night
Oct 15
|
Partly Cloudy
|
48°F |
1 mph
NNW
|
|
Friday
Oct 16
|
Mostly Sunny
|
62°F |
0 mph
|
|
Friday Night
Oct 16
|
Light Rain Likely
|
52°F |
0 to 21 mph
SSE
|
|
Saturday
Oct 17
|
Light Rain Likely then Mostly Sunny
|
57°F |
2 to 21 mph
SSW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
43°F |
5 mph
SE
|
|
Sunday
Oct 18
|
Partly Sunny
|
55°F |
3 mph
N
|
|
Sunday Night
Oct 18
|
Mostly Cloudy then Slight Chance Light Rain
|
44°F |
0 to 3 mph
N
|
|
Monday
Oct 19
|
Slight Chance Light Rain
|
54°F |
3 mph
SSE
|
|
Monday Night
Oct 19
|
Slight Chance Light Rain
|
43°F |
2 mph
SE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
55°F |
3 mph
N
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
43°F |
3 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Marietta.