10-day forecast for Williamstown, PA: 38° to 70°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Wednesday, November 4
49° · 1.33 in
Worst day: Monday, November 9
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 0367° / 39°0
Morning47°feels 44°
Afternoon67°feels 65°
Evening50°feels 49°
Overnight40°feels 36°
67 °
Williamstown, Tuesday, 3 November
Overcast. High 67°, low 39°.
Pressure30.27 inHg
Wind5.5 mph S
Humidity46%
Visibility6.2 mi
Dew point43°
Wed, 0470° / 43°0
Morning55°feels 55°
Afternoon70°feels 69°
Evening60°feels 60°
Overnight45°feels 40°
70 °
Williamstown, Wednesday, 4 November
Clear. High 70°, low 43°.
Pressure30.12 inHg
Wind10 mph S
Humidity63%
Visibility6.2 mi
Dew point55°
Thu, 0568° / 59°0.26
Morning60°feels 61°
Afternoon68°feels 69°
Evening63°feels 63°
Overnight59°feels 59°
68 °
Williamstown, Thursday, 5 November
Rain. High 68°, low 59°.
Pressure29.91 inHg
Wind9.5 mph S
Humidity95%
Visibility6.2 mi
Dew point62°
Fri, 0667° / 53°0.01
Morning59°feels 60°
Afternoon67°feels 66°
Evening64°feels 63°
Overnight60°feels 60°
67 °
Williamstown, Friday, 6 November
Light rain. High 67°, low 53°.
Pressure29.85 inHg
Wind3.4 mph N
Humidity77%
Visibility6.2 mi
Dew point57°
Sat, 0766° / 51°0.01
Morning55°feels 54°
Afternoon61°feels 60°
Evening62°feels 62°
Overnight52°feels 52°
66 °
Williamstown, Saturday, 7 November
Light rain. High 66°, low 51°.
Pressure29.85 inHg
Wind4.2 mph N
Humidity79%
Visibility—
Dew point52°
Sun, 0856° / 43°0
Morning50°feels 48°
Afternoon54°feels 52°
Evening52°feels 49°
Overnight44°feels 41°
56 °
Williamstown, Sunday, 8 November
Partly cloudy. High 56°, low 43°.
Pressure29.91 inHg
Wind8.4 mph S
Humidity63%
Visibility—
Dew point41°
Mon, 0949° / 42°1.33
Morning44°feels 43°
Afternoon47°feels 45°
Evening44°feels 39°
Overnight43°feels 37°
49 °
Williamstown, Monday, 9 November
Rain. High 49°, low 42°.
Pressure29.71 inHg
Wind12.6 mph NW
Humidity87%
Visibility—
Dew point43°
Tue, 1048° / 39°0
Morning40°feels 33°
Afternoon42°feels 35°
Evening44°feels 37°
Overnight42°feels 35°
48 °
Williamstown, Tuesday, 10 November
Partly cloudy. High 48°, low 39°.
Pressure29.80 inHg
Wind15.7 mph NW
Humidity66%
Visibility—
Dew point31°
Wed, 1150° / 38°0
Morning43°feels 36°
Afternoon45°feels 39°
Evening46°feels 41°
Overnight38°feels 34°
50 °
Williamstown, Wednesday, 11 November
Partly cloudy. High 50°, low 38°.
Pressure29.88 inHg
Wind15.3 mph NW
Humidity63%
Visibility—
Dew point33°
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.