10-day forecast for Saint Clair, WA: 40° to 65°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Sunday, October 18
57° · 0.76 in
Worst day: Saturday, October 24
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1865° / 40°0
Morning41°feels 38°
Afternoon64°feels 63°
Evening51°feels 49°
Overnight44°feels 44°
65 °
Saint Clair, Sunday, 18 October
Overcast. High 65°, low 40°.
Pressure30.15 inHg
Wind5.1 mph NE
Humidity69%
Visibility6.2 mi
Dew point46°
Mon, 1959° / 46°0
Morning47°feels 47°
Afternoon59°feels 57°
Evening52°feels 51°
Overnight49°feels 49°
59 °
Saint Clair, Monday, 19 October
Overcast. High 59°, low 46°.
Pressure29.97 inHg
Wind0.7 mph N
Humidity78%
Visibility0.2 mi
Dew point47°
Tue, 2061° / 46°0
Morning46°feels 44°
Afternoon61°feels 60°
Evening52°feels 51°
Overnight48°feels 47°
61 °
Saint Clair, Tuesday, 20 October
Overcast. High 61°, low 46°.
Pressure30.06 inHg
Wind7.3 mph NE
Humidity74%
Visibility3.1 mi
Dew point48°
Wed, 2162° / 43°0
Morning43°feels 43°
Afternoon53°feels 51°
Evening60°feels 59°
Overnight46°feels 46°
62 °
Saint Clair, Wednesday, 21 October
Overcast. High 62°, low 43°.
Pressure29.97 inHg
Wind3 mph N
Humidity86%
Visibility—
Dew point46°
Thu, 2259° / 42°0
Morning45°feels 45°
Afternoon52°feels 50°
Evening56°feels 55°
Overnight45°feels 43°
59 °
Saint Clair, Thursday, 22 October
Overcast. High 59°, low 42°.
Pressure30.00 inHg
Wind8.6 mph W
Humidity79%
Visibility—
Dew point43°
Fri, 2359° / 41°0
Morning45°feels 43°
Afternoon55°feels 52°
Evening56°feels 55°
Overnight46°feels 45°
59 °
Saint Clair, Friday, 23 October
Overcast. High 59°, low 41°.
Pressure30.06 inHg
Wind5.7 mph SW
Humidity57%
Visibility—
Dew point37°
Sat, 2457° / 45°0.76
Morning46°feels 44°
Afternoon49°feels 48°
Evening50°feels 49°
Overnight46°feels 44°
57 °
Saint Clair, Saturday, 24 October
Rain. High 57°, low 45°.
Pressure29.71 inHg
Wind18.9 mph S
Humidity97%
Visibility—
Dew point47°
Sun, 2552° / 41°0.04
Morning45°feels 44°
Afternoon52°feels 50°
Evening49°feels 47°
Overnight49°feels 48°
52 °
Saint Clair, Sunday, 25 October
Light rain. High 52°, low 41°.
Pressure29.94 inHg
Wind9.6 mph S
Humidity76%
Visibility—
Dew point43°
Mon, 2656° / 47°0.58
Morning51°feels 48°
Afternoon52°feels 51°
Evening51°feels 50°
Overnight48°feels 45°
56 °
Saint Clair, Monday, 26 October
Rain. High 56°, low 47°.
Pressure29.80 inHg
Wind14.1 mph S
Humidity90%
Visibility—
Dew point49°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Saint Clair, WA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.