10-day forecast for Williamstown, PA: 36° to 68°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Friday, October 30
58° · 0.8 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2862° / 36°0
Morning38°feels 34°
Afternoon62°feels 60°
Evening46°feels 42°
Overnight37°feels 33°
62 °
Williamstown, Wednesday, 28 October
Overcast. High 62°, low 36°.
Pressure30.42 inHg
Wind6.5 mph S
Humidity52%
Visibility6.2 mi
Dew point41°
Thu, 2966° / 38°0
Morning49°feels 46°
Afternoon64°feels 64°
Evening58°feels 58°
Overnight38°feels 33°
66 °
Williamstown, Thursday, 29 October
Overcast. High 66°, low 38°.
Pressure30.27 inHg
Wind7.3 mph SW
Humidity78%
Visibility6.2 mi
Dew point52°
Fri, 3068° / 48°0
Morning53°feels 52°
Afternoon68°feels 67°
Evening54°feels 52°
Overnight54°feels 53°
68 °
Williamstown, Friday, 30 October
Clear. High 68°, low 48°.
Pressure30.15 inHg
Wind9.4 mph NW
Humidity61%
Visibility6.2 mi
Dew point52°
Sat, 3160° / 43°0
Morning43°feels 41°
Afternoon54°feels 53°
Evening57°feels 55°
Overnight45°feels 43°
60 °
Williamstown, Saturday, 31 October
Overcast. High 60°, low 43°.
Pressure30.42 inHg
Wind5.3 mph S
Humidity65%
Visibility—
Dew point41°
Sun, 0166° / 51°0
Morning55°feels 53°
Afternoon61°feels 59°
Evening63°feels 62°
Overnight54°feels 53°
66 °
Williamstown, Sunday, 1 November
Clear. High 66°, low 51°.
Pressure30.39 inHg
Wind6.3 mph S
Humidity56%
Visibility—
Dew point43°
Mon, 0257° / 52°0.57
Morning53°feels 52°
Afternoon54°feels 54°
Evening56°feels 56°
Overnight56°feels 55°
57 °
Williamstown, Monday, 2 November
Rain. High 57°, low 52°.
Pressure30.06 inHg
Wind14.2 mph SE
Humidity94%
Visibility—
Dew point52°
Tue, 0358° / 45°0.8
Morning57°feels 57°
Afternoon57°feels 57°
Evening51°feels 50°
Overnight47°feels 43°
58 °
Williamstown, Tuesday, 3 November
Rain. High 58°, low 45°.
Pressure29.91 inHg
Wind10.8 mph E
Humidity96%
Visibility—
Dew point57°
Wed, 0443° / 40°0.06
Morning41°feels 35°
Afternoon40°feels 35°
Evening41°feels 37°
Overnight43°feels 37°
43 °
Williamstown, Wednesday, 4 November
Light rain. High 43°, low 40°.
Pressure30.33 inHg
Wind10.1 mph E
Humidity87%
Visibility—
Dew point37°
Thu, 0553° / 43°0.24
Morning44°feels 39°
Afternoon46°feels 41°
Evening49°feels 45°
Overnight51°feels 50°
53 °
Williamstown, Thursday, 5 November
Light rain. High 53°, low 43°.
Pressure30.06 inHg
Wind11.7 mph E
Humidity95%
Visibility—
Dew point44°
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 Williamstown, PA 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.