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Seattle, WA Weather Forecast for 5-Days

Updated: Wed May 20th 2026 4:00 AM PDT

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Seattle, WA Weather – 5-20 – Overcast
64° / 45°
Overcast
Overcast is in the forecast for Seattle, with a high of 64°F and a low of 45°F. Winds will be light at 8mph and gusts of 9.8mph at 6 PM. The humidity will be on the higher side, averaging about 76%, the maximum being 97% at 5 AM and 50% being its lowest at 3 PM. Barometric pressure is its highest of 30.2inHg at 7 AM, a lowest point of 30.1inHg at 6 PM with an avg 30.15inHg.
Seattle, WA Weather – 5-21 – Sunny
69° / 46°

Weather Tomorrow

Sunny
Daytime highs will reach 69°F with lows dropping to 46°F in Seattle, where bright and sunny conditions. Winds will be light at 7mph and gusts of 10.3mph at 9 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 95% at 5 AM and 42% being its lowest at 3 PM. Barometric pressure is its highest of 30.13inHg at 12 AM, a lowest point of 29.94inHg at 7 PM with an avg 30.04inHg.
Seattle, WA Weather – 5-22 – Sunny
73° / 47°
Sunny
Highs will reach 73°F with lows near 47°F in Seattle, where a sunny day is. Winds will be light at 8mph and gusts of 11.2mph at 7 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 95% at 5 AM and 42% being its lowest at 2 PM. Barometric pressure is its highest of 29.97inHg at 7 AM, a lowest point of 29.83inHg at 7 PM with an avg 29.91inHg.
Seattle, WA Weather – 5-23 – Partly Cloudy
66° / 50°
Partly Cloudy
Overcast conditions are in the forecast for Seattle, with a high of 66°F and a low of 50°F. Wind will be moderate, blowing around 11mph on average and gusts of 12.4mph at 5 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 96% at 4 AM and 55% being its lowest at 2 PM. Barometric pressure is its highest of 30.07inHg at 11 PM, a lowest point of 29.87inHg at 1 AM with an avg 29.96inHg.
Seattle, WA Weather – 5-24 – Partly Cloudy
67° / 44°
Partly Cloudy
In Seattle, it will be cloudy with highs near 67°F and lows around 44°F. Winds will be light at 10mph and gusts of 12.5mph at 5 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 84% at 5 AM and 42% being its lowest at 2 PM. Barometric pressure is its highest of 30.19inHg at 11 PM, a lowest point of 30.09inHg at 12 AM with an avg 30.14inHg.
Seattle, WA Weather – 5-25 – Partly Cloudy
66° / 48°
Partly Cloudy
In Seattle, it will be cloudy with highs near 66°F and lows around 48°F. Wind will be moderate, blowing around 12mph on average and gusts of 13mph at 5 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 81% at 11 PM and 45% being its lowest at 2 PM. Barometric pressure is its highest of 30.19inHg at 12 AM, a lowest point of 30.1inHg at 5 PM with an avg 30.15inHg.
Seattle, WA Weather Forecast - 10 Day Detailed

Currently

Mist 45°F
30.19 inHg.
Barometer
97%
Humidity
NE 3.6 mph
Wind
Mist
Full Report

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