Issaquah

Sheridan County, Washington, United States

Current Weather

11°

Mostly Cloudy

Feels Like: 17°

Min: 15°

Max: 25°

The next few hours will be mostly cloudy, with today reaching 25°C and dropping to 15°C. The coming days will be light rain throughout the day.

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Upgrade Now

Hourly Forecast

16° 17° 18° 20° 21° 23° 23° 24° 24° 25° 25° 24° 24° 23° 21° 20° 19° 18° 18° 17° 16° 16° 15° 16° 17° 17° 19° 20° 21° 23° 24° 24° 25° 25° 25° 25° 25° 25° 23° 22° 21° 20° 20° 19° 18° 18° 17° 18°
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
Today
Tomorrow
Friday

Daylight Hours

05:16

Sunrise

20:57

Sunset

15 hours 41 minutes of sunlight today

Daily Forecast

Today

15°
25°

Thursday

15°
25°

Friday

16°
25°

Saturday

14°
21°

Sunday

12°
17°

Monday

10°
16°

Tuesday

16°

Air Quality Data Available

Upgrade to access real-time air quality data for Issaquah.

Upgrade Now

UV Index

No protection needed
0 Low
Low Extreme

Humidity

72% Humid
Low High
Powered by Airpult

Frequently asked questions about weather in Issaquah

How warm does it get in Issaquah?

The warmest month in Issaquah is August, with average high temperatures of 25°C. The average temperature during this period is around 19°C.

How cold does it get in Issaquah?

The coldest month in Issaquah is February, with average low temperatures of 4°C. The average temperature during this period is around 6°C.

What is the wettest time of year in Issaquah?

The wettest month in Issaquah is December, with an average of 199mm of precipitation.

What is the driest time of year in Issaquah?

The driest month in Issaquah is July, with an average of 15mm of precipitation.

View full climate insights for Issaquah →

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)

Confirm