Anderson Island, WA Weather Forecast for 5-Days

Updated: Tue Nov 11th 2025 12:30 AM PST

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Anderson Island, WA Weather – 11-11 – Mist
51° / 41°
Mist
Anderson Island may see mist, with daytime highs of 51°F and overnight lows near 41°F. Winds will be light at 5mph and gusts of 7.5mph at 7 PM. High humidity with average of 88% is anticipated, the maximum being 96% at 8 AM and 72% being its lowest at 3 PM. Barometric pressure is its highest of 30.31inHg at 3 AM, a lowest point of 29.94inHg at 11 PM with an avg 30.16inHg.
Anderson Island, WA Weather – 11-12 – Scattered Showers
52° / 45°
Scattered Showers
Daytime highs will reach 52°F with lows dropping to 45°F in Anderson Island, where showers likely at times. The chance of rain is 83% with an estimated 0.1in. Winds will be light at 4mph and gusts of 8.3mph at 10 PM. High humidity with average of 94% is anticipated, the maximum being 98% at 10 PM and 89% being its lowest at 11 PM. Barometric pressure is its highest of 29.92inHg at 12 AM, a lowest point of 29.56inHg at 10 PM with an avg 29.74inHg.
Anderson Island, WA Weather – 11-13 – Moderate Rain
53° / 48°
Moderate Rain
Anderson Island is set for rain showers with temperatures peaking at 53°F and dipping to 48°F. The chance of rain is 84% with an estimated 0.59in. Winds will be light at 7mph and gusts of 11.4mph at 6 AM. High humidity with average of 86% is anticipated, the maximum being 98% at 11 PM and 76% being its lowest at 8 AM. Barometric pressure is its highest of 29.68inHg at 9 PM, a lowest point of 29.33inHg at 8 AM with an avg 29.47inHg.
Anderson Island, WA Weather – 11-14 – Scattered Showers
54° / 42°
Scattered Showers
Daytime highs will reach 54°F with lows dropping to 42°F in Anderson Island, where on and off showers are set to occur. Rainfall predicted to have a 63% chance with an estimated 0.13in. Wind will be moderate, blowing around 14mph on average and gusts of 21mph at 11 PM. High humidity with average of 82% is anticipated, the maximum being 90% at 1 AM and 61% being its lowest at 3 PM. Barometric pressure is its highest of 29.72inHg at 10 AM, a lowest point of 29.67inHg at 3 PM with an avg 29.7inHg.
Anderson Island, WA Weather – 11-15 – Moderate Rain
51° / 48°
Moderate Rain
Periods of rain are likely in Anderson Island, with a high of 51°F and a low of 48°F. The chance of rain is 84% with an estimated 0.28in. Wind will be moderate, blowing around 12mph on average and gusts of 19mph at 12 AM. High humidity with average of 89% is anticipated, the maximum being 96% at 11 PM and 78% being its lowest at 12 AM. Barometric pressure is its highest of 29.76inHg at 11 AM, a lowest point of 29.71inHg at 12 AM with an avg 29.73inHg.
Anderson Island, WA Weather – 11-16 – Scattered Showers
47° / 45°
Scattered Showers
On and off showers are set to occur in Anderson Island, with a high of 47°F and a low of 45°F. The chance of rain is 87% with an estimated 0.14in. Winds will be light at 10mph and gusts of 14.9mph at 8 PM. High humidity with average of 88% is anticipated, the maximum being 95% at 12 AM and 82% being its lowest at 7 PM. Barometric pressure is its highest of 29.86inHg at 11 PM, a lowest point of 29.73inHg at 12 AM with an avg 29.79inHg.

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