National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

EW6690 Maple Valley (E6690)

Lat: 47.442°NLon: 122.01417°WElev: 770.0ft.

NA

52°F

11°C

Humidity 69%
Wind Speed W 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 12 Jan 05:12 AM PST
Extended Forecast for

Issaquah WA

  • Today

    Today: A 50 percent chance of rain, mainly before 4pm. Cloudy, with a high near 55. South wind around 6 mph.

    High: 55 °F

    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain between 9pm and 10pm. Mostly cloudy, with a low around 48. South wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy fog before noon. Otherwise, partly sunny, with a high near 60. Calm wind.

    High: 60 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 2am and 3am. Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog before 11pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 41.

    Low: 41 °F

    Patchy Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of rain, mainly before 4pm. Cloudy, with a high near 55. South wind around 6 mph.
Tonight
A 20 percent chance of rain between 9pm and 10pm. Mostly cloudy, with a low around 48. South wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before noon. Otherwise, partly sunny, with a high near 60. Calm wind.
Tuesday Night
Patchy fog between 2am and 3am. Otherwise, partly cloudy, with a low around 43. Calm wind.
Wednesday
Mostly sunny, with a high near 54. Calm wind.
Wednesday Night
Patchy fog before 11pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Issaquah WA
 47.54°N 122.05°W (Elev. 200 ft)
Last Update:
1:25 am PST Jan 12, 2026
Forecast Valid:
6am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation