Snohomish County, WA Weather Tomorrow

See what tomorrow's weather has in store for Snohomish County with a reliable 5 day forecast featuring precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction for the Snohomish County area.
Updated: Tue Oct 13th 2026 4:45 AM PDT
Snohomish County, WA Weather – 10-13 – Overcast
51° / 43°
Overcast
It will be overcast in Snohomish County, with a high of 51°F and a low of 43°F. There might be light rainfall having a 18% chance with an estimated 0in. Winds will be light at 5mph and gusts of 14.5mph at 11 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 67% at 11 AM and 58% being its lowest at 5 PM. Barometric pressure is its highest of 30.22inHg at 10 PM, a lowest point of 30.13inHg at 6 AM with an avg 30.18inHg.
Snohomish County, WA Weather – 10-14 – Overcast
54° / 47°

Weather Tomorrow

Overcast
It will be overcast in Snohomish County, with a high of 54°F and a low of 47°F. The chance of rain is 84% with an estimated 0.17in. Winds will be light at 5mph and gusts of 15mph at 10 PM. High humidity with average of 88% is anticipated, the maximum being 97% at 10 AM and 66% being its lowest at 2 AM. Barometric pressure is its highest of 30.35inHg at 11 PM, a lowest point of 30.2inHg at 2 AM with an avg 30.27inHg.
Snohomish County, WA Weather – 10-15 – Sunny
69° / 47°
Sunny
In Snohomish County, bright and sunny conditions with highs near 69°F and lows around 47°F. There's a very small chance of rainfall, only about 8%. Winds will be light at 7mph and gusts of 17.7mph at 8 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 93% at 12 AM and 36% being its lowest at 3 PM. Barometric pressure is its highest of 30.37inHg at 3 AM, a lowest point of 30.23inHg at 5 PM with an avg 30.3inHg.
Snohomish County, WA Weather – 10-16 – Overcast
69° / 51°
Overcast
Skies will be overcast in Snohomish County, with a high of 69°F and a low of 51°F. There's a very small chance of rainfall, only about 7%. Winds will be light at 7mph and gusts of 17.7mph at 2 AM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 70% at 11 PM and 37% being its lowest at 12 PM. Barometric pressure is its highest of 30.24inHg at 12 AM, a lowest point of 30.02inHg at 11 PM with an avg 30.12inHg.
Snohomish County, WA Weather – 10-17 – Sunny
55° / 43°
Sunny
Daytime highs will reach 55°F with lows dropping to 43°F in Snohomish County, where it will be sunny. The chance of rain is 82% with an estimated 0.8in. Winds will be light at 7mph and gusts of 14.5mph at 1 AM. High humidity with average of 81% is anticipated, the maximum being 99% at 7 AM and 51% being its lowest at 3 PM. Barometric pressure is its highest of 30.21inHg at 11 PM, a lowest point of 30inHg at 6 AM with an avg 30.12inHg.
Snohomish County, WA Weather – 10-18 – Overcast
56° / 42°
Overcast
In Snohomish County, skies will be overcast with highs near 56°F and lows around 42°F. There might be light rainfall having a 14% chance. Winds will be light at 5mph and gusts of 13.6mph at 8 AM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 83% at 12 AM and 38% being its lowest at 2 PM. Barometric pressure is its highest of 30.18inHg at 12 AM, a lowest point of 29.87inHg at 5 PM with an avg 29.97inHg.

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