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Issaquah, WA Weather Forecast | 5 Day

Updated: Wed Jul 16th 2025 4:15 PM PDT

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Issaquah, WA Weather Forecast - 7-16 - Sunny

Sunny

Wed 7-16

Sunny with a high of 94°F and a low of 66°F. Winds will be light at 10mph and gusts of 10.6mph at 7 PM. Humidity levels should be comfortable, sitting around 46% on average, the maximum being 58% at 11 PM and 34% being its lowest at 5 PM. Barometric pressure is its highest of 29.8inHg at 11 PM, a lowest point of 29.77inHg at 6 PM with an avg 29.78inHg.

    • HI: 94°F
    • LO: 66°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      9.2 mph
    • Humidity
      46% avg.
    • UV Index
      2.3
    • Air Quality
      Moderate
    • Sunrise
      05:28 AM
    • Sunset
      09:00 PM
    • Moonrise
      11:45 PM
    • Moonset
      12:18 PM
    • Moon Phase
      Waning Gibbous
Issaquah, WA Weather Forecast - 7-17 - Sunny

Sunny

Thu 7-17

Sunny with a high of 85°F and a low of 59°F. Winds will be light at 8mph and gusts of 9.6mph at 8 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 82% at 6 AM and 48% being its lowest at 5 PM. Barometric pressure is its highest of 29.9inHg at 10 PM, a lowest point of 29.81inHg at 12 AM with an avg 29.87inHg.

    • HI: 85°F
    • LO: 59°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      7.8 mph
    • Humidity
      64% avg.
    • UV Index
      2.3
    • Air Quality
      Moderate
    • Sunrise
      05:29 AM
    • Sunset
      08:59 PM
    • Moonrise
      No moonrise
    • Moonset
      01:38 PM
    • Moon Phase
      Last Quarter
Issaquah, WA Weather Forecast - 7-18 - Sunny

Sunny

Fri 7-18

Sunny with a high of 79°F and a low of 61°F. Wind will be moderate, blowing around 11mph on average and gusts of 12.3mph at 6 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 80% at 5 AM and 52% being its lowest at 2 PM. Barometric pressure is its highest of 30.01inHg at 10 PM, a lowest point of 29.91inHg at 12 AM with an avg 29.94inHg.

    • HI: 79°F
    • LO: 61°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      10.7 mph
    • Humidity
      66% avg.
    • UV Index
      2.3
    • Air Quality
      Moderate
    • Sunrise
      05:30 AM
    • Sunset
      08:59 PM
    • Moonrise
      12:03 AM
    • Moonset
      03:01 PM
    • Moon Phase
      Last Quarter
Issaquah, WA Weather Forecast - 7-19 - Overcast

Overcast

Sat 7-19

Overcast with a high of 76°F and a low of 56°F. Wind will be moderate, blowing around 11mph on average and gusts of 12.6mph at 5 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 86% at 8 AM and 39% being its lowest at 4 PM. Barometric pressure is its highest of 30.14inHg at 10 AM, a lowest point of 29.97inHg at 12 AM with an avg 30.07inHg.

    • HI: 76°F
    • LO: 56°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      11 mph
    • Humidity
      69% avg.
    • UV Index
      1.7
    • Air Quality
      Good
    • Sunrise
      05:31 AM
    • Sunset
      08:58 PM
    • Moonrise
      12:26 AM
    • Moonset
      04:25 PM
    • Moon Phase
      Waning Crescent
Issaquah, WA Weather Forecast - 7-20 - Patchy Rain Nearby

Patchy Rain Nearby

Sun 7-20

Scattered showers with a high of 71°F and a low of 57°F. It will likey rain in the surrounding area, having a 86% chance of a downpour with an estimated 0.03in. Winds will be light at 5mph and gusts of 5.1mph at 3 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 93% at 11 PM and 58% being its lowest at 5 PM. Barometric pressure is its highest of 30.04inHg at 12 AM, a lowest point of 29.92inHg at 11 PM with an avg 29.99inHg.

    • HI: 71°F
    • LO: 57°F
    • Rainfall: 86% | est. 0.03in
    • Snowfall: 0%
    • Wind
      4.5 mph
    • Humidity
      80% avg.
    • UV Index
      0
    • Air Quality
      Good
    • Sunrise
      05:32 AM
    • Sunset
      08:57 PM
    • Moonrise
      12:57 AM
    • Moonset
      05:49 PM
    • Moon Phase
      Waning Crescent
Issaquah, WA Weather Forecast - 7-21 - Patchy Rain Nearby

Patchy Rain Nearby

Mon 7-21

Scattered showers with a high of 77°F and a low of 55°F. Winds will be light at 5mph and gusts of 6.1mph at 11 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 97% at 5 AM and 43% being its lowest at 4 PM. Barometric pressure is its highest of 29.93inHg at 7 AM, a lowest point of 29.84inHg at 7 PM with an avg 29.89inHg.

    • HI: 77°F
    • LO: 55°F
    • Rainfall: 0% | est. 0in
    • Snowfall: 0%
    • Wind
      4.7 mph
    • Humidity
      70% avg.
    • UV Index
      4
    • Air Quality
      TBA
    • Sunrise
      05:33 AM
    • Sunset
      08:55 PM
    • Moonrise
      01:39 AM
    • Moonset
      07:03 PM
    • Moon Phase
      Waning Crescent

Currently

Sunny 92°F
29.77 inHg.
Barometer
15%
Humidity
W 8.3 mph
Wind
Sunny

5 Day Forecast Nearby

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