Steilacoom, WA Weather Forecast for 5-Days

Updated: Thu Dec 4th 2025 7:00 PM PST

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Steilacoom, WA Weather – 12-4 – Moderate Rain
46° / 39°
Moderate Rain
Steilacoom may see rain, with daytime highs of 46°F and overnight lows near 39°F. The chance of rain is 88% with an estimated 0.35in. Winds will be light at 6mph and gusts of 4.7mph at 8 PM. High humidity with average of 94% is anticipated, the maximum being 95% at 11 PM and 92% being its lowest at 8 PM. Barometric pressure is its highest of 30.12inHg at 8 PM, a lowest point of 30.1inHg at 9 PM with an avg 30.11inHg.
Steilacoom, WA Weather – 12-5 – Moderate Rain
53° / 46°
Moderate Rain
In Steilacoom, rain is likely with a high near 53°F and a low around 46°F. The chance of rain is 89% with an estimated 0.28in. Wind will be moderate, blowing around 15mph on average and gusts of 22.9mph at 11 PM. High humidity with average of 92% is anticipated, the maximum being 97% at 2 AM and 84% being its lowest at 11 PM. Barometric pressure is its highest of 30.09inHg at 12 AM, a lowest point of 29.85inHg at 11 PM with an avg 29.94inHg.
Steilacoom, WA Weather – 12-6 – Overcast
51° / 47°
Overcast
Daytime highs will reach 51°F with lows dropping to 47°F in Steilacoom, where it will be overcast. Wind will be moderate, blowing around 15mph on average and gusts of 21.7mph at 12 AM. High humidity with average of 87% is anticipated, the maximum being 90% at 4 AM and 83% being its lowest at 2 PM. Barometric pressure is its highest of 30.18inHg at 10 PM, a lowest point of 29.95inHg at 12 AM with an avg 30.06inHg.
Steilacoom, WA Weather – 12-7 – Overcast
51° / 46°
Overcast
Highs will reach 51°F with lows near 46°F in Steilacoom, where cloud-filled skies are. Wind will be moderate, blowing around 13mph on average and gusts of 18.7mph at 4 PM. High humidity with average of 88% is anticipated, the maximum being 92% at 2 AM and 85% being its lowest at 10 AM. Barometric pressure is its highest of 30.23inHg at 11 AM, a lowest point of 30.08inHg at 6 PM with an avg 30.19inHg.
Steilacoom, WA Weather – 12-8 – Heavy Rain
54° / 48°
Heavy Rain
Highs will reach 54°F with lows near 48°F in Steilacoom, where rain is. The chance of rain is 87% with an estimated 1.38in. Wind will be moderate, blowing around 17mph on average and gusts of 26.5mph at 5 PM. High humidity with average of 90% is anticipated, the maximum being 94% at 7 PM and 81% being its lowest at 11 PM. Barometric pressure is its highest of 30.21inHg at 1 AM, a lowest point of 29.84inHg at 7 PM with an avg 30.04inHg.
Steilacoom, WA Weather – 12-9 – Scattered Showers
48° / 44°
Scattered Showers
Daytime highs will reach 48°F with lows dropping to 44°F in Steilacoom, where on and off showers are set to occur. The chance of rain is 87% with an estimated 0.07in. Wind will be moderate, blowing around 15mph on average and gusts of 23.2mph at 1 AM. High humidity with average of 81% is anticipated, the maximum being 92% at 11 PM and 77% being its lowest at 5 AM. Barometric pressure is its highest of 30.21inHg at 2 PM, a lowest point of 29.94inHg at 11 PM with an avg 30.11inHg.

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