Lake Janus, WA 7-Day Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Lake Janus, WA 7-Day Weather Forecast

Current Conditions

Settings
Lake Janus WA weather  - Hazy - 72°F
Hazy
72°F
Updated 11:54 pm
Feels Like 50°F
Humidity 47%
Wind WNW 8 mph
Barometer  30.07 in
Dew Point 51°F
Lake Janus WA weather  - Hazy - 22°C
Hazy
22°C
Updated 11:54 pm
Feels Like 10°C
Humidity 47%
Wind WNW 13 km/h
Barometer  101.8 kPa
Dew Point 11°C
Weather in Lake JanusLake Janus Weather

Lake Janus Weather Forecast

Weather Lake JanusLake Janus weather forecast

Lake Janus, WA Weather Forecast Date: 236 PM PDT Sat Aug 15 2026

Weather forecast for Lake Janus, WA


Tonight
Lake Janus WA Weather for Tonight - Chance Of T-Storm
Lo: 51°F
Lo: 11°C
Tonight... Mostly cloudy. Patchy smoke in the evening. A slight chance of thunderstorms in the evening, then a slight chance of rain late in the evening. Snow level near 11000 feet. Lows in the lower 50s. Light wind.
Sun
Lake Janus WA Weather for Sunday - Chance Of T-Storm
Hi: 70°FHi: 21°C
Lo: 51°F
Lo: 11°C
Sunday... Partly sunny until late afternoon, then a slight chance of thunderstorms late in the afternoon. Snow level near 10000 feet. Afternoon pass temperatures around 70. Light wind.
Mon
Lake Janus WA Weather for Monday - Partly Sunny
Hi: 75°FHi: 24°C
Lo: 51°F
Lo: 11°C
Monday... Partly sunny. Freezing level near 13000 feet. Afternoon pass temperatures in the mid 70s. Light wind.
Tue
Lake Janus WA Weather for Tuesday - Mostly Sunny
Hi: 69°FHi: 21°C
Lo: 49°F
Lo: 9°C
Tuesday... Mostly sunny. Freezing level near 13000 feet. Afternoon pass temperatures in the upper 60s.
Wed
Lake Janus WA Weather for Wednesday - Partly Sunny
Hi: 69°FHi: 21°C
Lo: 50°F
Lo: 10°C
Wednesday... Partly sunny. Freezing level near 14000 feet. Afternoon pass temperatures in the upper 60s.
Thu
Lake Janus WA Weather for Thursday - Mostly Sunny
Hi: 75°FHi: 24°C
Lo: 55°F
Lo: 13°C
Thursday... Mostly sunny. Freezing level near 14000 feet. Afternoon pass temperatures in the mid 70s.
Fri
Lake Janus WA Weather for Friday - Chance Of Rain
Hi: 75°FHi: 24°C
Lo: 51°F
Lo: 11°C
Friday... Mostly sunny. A slight chance of rain in the afternoon. Snow level near 10500 feet. Afternoon pass temperatures in the mid 70s.

Trending Headlines

Lake Janus Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Lake Janus Quick Facts

National Two Day Weather Forecast

E-mail the Lake Janus Weather Forecast

Voice your opinion or tell us about page issues...