Big Lake, WA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Big Lake, WA in one place.
Mostly sunny, with a high near 67. South southeast wind around 2 mph.
Local Weather Overview
This forecast page for Big Lake, 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 6:25 PM PDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Big Lake, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 6:25 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Big Lake
Friday looks like the warmest upcoming period in Big Lake at 70 degrees F.
Saturday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Friday Night at about 1 to 7 mph SSE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 6:25 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. East wind 1 to 6 mph.
Mostly sunny, with a high near 70. Southeast wind 0 to 5 mph.
Rain after 11pm. Mostly cloudy, with a low around 51. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain before 11am. Partly sunny, with a high near 56.
Partly cloudy, with a low around 41.
Partly sunny, with a high near 55.
A slight chance of rain after 5am. Mostly cloudy, with a low around 43.
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 42.
Mostly sunny, with a high near 54.
Partly cloudy, with a low around 41.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Mostly Sunny
|
67°F |
2 mph
SSE
|
|
Thursday Night
Oct 15
|
Partly Cloudy
|
48°F |
1 to 6 mph
E
|
|
Friday
Oct 16
|
Mostly Sunny
|
70°F |
0 to 5 mph
SE
|
|
Friday Night
Oct 16
|
Light Rain
|
51°F |
1 to 7 mph
SSE
|
|
Saturday
Oct 17
|
Light Rain then Partly Sunny
|
56°F |
3 to 7 mph
SW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
41°F |
3 mph
NE
|
|
Sunday
Oct 18
|
Partly Sunny
|
55°F |
2 mph
NNE
|
|
Sunday Night
Oct 18
|
Mostly Cloudy then Slight Chance Light Rain
|
43°F |
2 mph
NNE
|
|
Monday
Oct 19
|
Slight Chance Light Rain
|
54°F |
3 mph
S
|
|
Monday Night
Oct 19
|
Slight Chance Light Rain
|
42°F |
2 mph
SE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
54°F |
2 mph
NNW
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
41°F |
2 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Big Lake.