Mercer Island WA 5 Day Weather Forecast

Sun5-10

Mercer Island, WA Weather – 5-10 – Scattered Showers

65° / 50°

Scattered Showers
Showers likely at times in Mercer Island, with a high of 65°F and a low of 50°F. The chance of rain is 80% with an estimated 0.07in. Winds will be light at 7mph and gusts of 7.1mph at 11 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 86% at 11 PM and 86% being its lowest at 11 PM. Barometric pressure is its highest of 30.15^inHg at 11 PM, a lowest point of 30.15^inHg at 11 PM with an avg 30.15^inHg.

Mon5-11

Mercer Island, WA Weather – 5-11 – Sunny

69° / 48°

Weather Tomorrow

Sunny
Mercer Island could see a sunny day with daytime highs of 69°F and nighttime lows near 48°F. Winds will be light at 9mph and gusts of 9.9mph at 8 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 90% at 1 AM and 36% being its lowest at 2 PM. Barometric pressure is its highest of 30.22^inHg at 4 AM, a lowest point of 30.05^inHg at 11 PM with an avg 30.14^inHg.

Tue5-12

Mercer Island, WA Weather – 5-12 – Sunny

80° / 46°

Sunny
It will be sunny in Mercer Island, with a high of 80°F and a low of 46°F. Winds will be light at 6mph and gusts of 9.9mph at 8 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 88% at 5 AM and 31% being its lowest at 4 PM. Barometric pressure is its highest of 30.04^inHg at 12 AM, a lowest point of 29.81^inHg at 5 PM with an avg 29.91^inHg.

Wed5-13

Mercer Island, WA Weather – 5-13 – Sunny

79° / 52°

Sunny
Highs will reach 79°F with lows near 52°F in Mercer Island, where a sunny day is. Winds will be light at 7mph and gusts of 7.5mph at 4 AM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 77% at 5 AM and 33% being its lowest at 2 PM. Barometric pressure is its highest of 29.92^inHg at 11 PM, a lowest point of 29.78^inHg at 5 PM with an avg 29.85^inHg.

Thu5-14

Mercer Island, WA Weather – 5-14 – Partly Cloudy

65° / 51°

Partly Cloudy
It will be cloudy in Mercer Island, with a high of 65°F and a low of 51°F. Winds will be light at 9mph and gusts of 12.3mph at 11 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 78% at 3 AM and 47% being its lowest at 6 PM. Barometric pressure is its highest of 30.08^inHg at 10 PM, a lowest point of 29.94^inHg at 12 AM with an avg 30.02^inHg.

Fri5-15

Mercer Island, WA Weather – 5-15 – Scattered Showers

56° / 46°

Scattered Showers
On and off showers are set to occur in Mercer Island, with a high of 56°F and a low of 46°F. The chance of rain is 89% with an estimated 0.03in. Winds will be light at 9mph and gusts of 13.2mph at 12 AM. The humidity will be on the higher side, averaging about 79%, the maximum being 93% at 2 PM and 69% being its lowest at 8 AM. Barometric pressure is its highest of 30.16^inHg at 11 PM, a lowest point of 30.08^inHg at 8 PM with an avg 30.11^inHg.

Mercer Island weather forecast and traffic updates by locals

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Mercer Island, WA Weather Forecast for 5-Days

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Mercer Island weather forecast and traffic updates by locals

	57°F	30.14 inHg. Barometer 72% Humidity NNE 9.4 mph Wind
Partly Cloudy