10-day forecast for Williamson, PA: 30° to 70°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Tuesday, October 20
50°
Worst day: Wednesday, October 28
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2166° / 36°0
Morning38°feels 33°
Afternoon65°feels 63°
Evening47°feels 45°
Overnight39°feels 35°
66 °
Williamson, Wednesday, 21 October
Clear. High 66°, low 36°.
Pressure30.24 inHg
Wind4.3 mph N
Humidity48%
Visibility6.2 mi
Dew point38°
Thu, 2265° / 36°0
Morning44°feels 39°
Afternoon63°feels 61°
Evening53°feels 52°
Overnight36°feels 32°
65 °
Williamson, Thursday, 22 October
Clear. High 65°, low 36°.
Pressure30.15 inHg
Wind9.3 mph N
Humidity47%
Visibility6.2 mi
Dew point39°
Fri, 2356° / 40°0
Morning40°feels 36°
Afternoon56°feels 53°
Evening46°feels 45°
Overnight45°feels 42°
56 °
Williamson, Friday, 23 October
Clear. High 56°, low 40°.
Pressure30.42 inHg
Wind5.6 mph N
Humidity51%
Visibility6.2 mi
Dew point34°
Sat, 2456° / 35°0
Morning35°feels 35°
Afternoon51°feels 50°
Evening53°feels 51°
Overnight39°feels 37°
56 °
Williamson, Saturday, 24 October
Clear. High 56°, low 35°.
Pressure30.56 inHg
Wind3.9 mph SE
Humidity55%
Visibility—
Dew point33°
Sun, 2561° / 38°0
Morning43°feels 42°
Afternoon54°feels 52°
Evening57°feels 56°
Overnight46°feels 46°
61 °
Williamson, Sunday, 25 October
Clear. High 61°, low 38°.
Pressure30.53 inHg
Wind4.1 mph S
Humidity60%
Visibility—
Dew point38°
Mon, 2666° / 43°0
Morning47°feels 47°
Afternoon59°feels 58°
Evening62°feels 61°
Overnight49°feels 47°
66 °
Williamson, Monday, 26 October
Mostly clear. High 66°, low 43°.
Pressure30.36 inHg
Wind5.4 mph SW
Humidity60%
Visibility—
Dew point42°
Tue, 2770° / 47°0.01
Morning51°feels 50°
Afternoon62°feels 61°
Evening63°feels 61°
Overnight47°feels 42°
70 °
Williamson, Tuesday, 27 October
Light rain. High 70°, low 47°.
Pressure30.09 inHg
Wind14.3 mph NW
Humidity59%
Visibility—
Dew point45°
Wed, 2850° / 35°0
Morning41°feels 33°
Afternoon46°feels 39°
Evening47°feels 43°
Overnight36°feels 34°
50 °
Williamson, Wednesday, 28 October
Clear. High 50°, low 35°.
Pressure30.36 inHg
Wind14.9 mph NW
Humidity52%
Visibility—
Dew point27°
Thu, 2955° / 30°0
Morning35°feels 34°
Afternoon47°feels 43°
Evening52°feels 49°
Overnight37°feels 37°
55 °
Williamson, Thursday, 29 October
Clear. High 55°, low 30°.
Pressure30.30 inHg
Wind9.1 mph SW
Humidity49%
Visibility—
Dew point25°
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 Williamson, 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.