10-day forecast for Upper Merion, PA: 36° to 63°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
63°
Best day: Tuesday, November 10
62° · 1.5 in
Worst day: Thursday, November 12
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1162° / 43°0
Morning47°feels 46°
Afternoon62°feels 60°
Evening51°feels 50°
Overnight47°feels 44°
62 °
Upper Merion, Wednesday, 11 November
Mostly clear. High 62°, low 43°.
Pressure29.94 inHg
Wind2.8 mph W
Humidity54%
Visibility6.2 mi
Dew point43°
Thu, 1262° / 48°1.5
Morning52°feels 51°
Afternoon56°feels 55°
Evening50°feels 45°
Overnight50°feels 48°
62 °
Upper Merion, Thursday, 12 November
Heavy rain. High 62°, low 48°.
Pressure29.50 inHg
Wind11.7 mph SE
Humidity61%
Visibility5.4 mi
Dew point48°
Fri, 1347° / 37°0.9
Morning39°feels 33°
Afternoon40°feels 33°
Evening38°feels 31°
Overnight45°feels 39°
47 °
Upper Merion, Friday, 13 November
Rain. High 47°, low 37°.
Pressure29.59 inHg
Wind9.9 mph N
Humidity95%
Visibility2.3 mi
Dew point38°
Sat, 1445° / 36°0.04
Morning38°feels 31°
Afternoon42°feels 35°
Evening44°feels 38°
Overnight39°feels 33°
45 °
Upper Merion, Saturday, 14 November
Light rain. High 45°, low 36°.
Pressure29.85 inHg
Wind14.7 mph NW
Humidity70%
Visibility—
Dew point31°
Sun, 1546° / 36°0
Morning39°feels 33°
Afternoon44°feels 38°
Evening45°feels 40°
Overnight39°feels 33°
46 °
Upper Merion, Sunday, 15 November
Partly cloudy. High 46°, low 36°.
Pressure30.15 inHg
Wind13.3 mph NW
Humidity62%
Visibility—
Dew point31°
Mon, 1647° / 36°0
Morning38°feels 32°
Afternoon44°feels 39°
Evening46°feels 42°
Overnight42°feels 38°
47 °
Upper Merion, Monday, 16 November
Clear. High 47°, low 36°.
Pressure30.33 inHg
Wind9.2 mph N
Humidity62%
Visibility—
Dew point30°
Tue, 1749° / 36°0
Morning39°feels 36°
Afternoon44°feels 42°
Evening48°feels 47°
Overnight41°feels 38°
49 °
Upper Merion, Tuesday, 17 November
Clear. High 49°, low 36°.
Pressure30.47 inHg
Wind5.3 mph N
Humidity55%
Visibility—
Dew point28°
Wed, 1852° / 36°0
Morning40°feels 36°
Afternoon46°feels 43°
Evening50°feels 46°
Overnight42°feels 39°
52 °
Upper Merion, Wednesday, 18 November
Clear. High 52°, low 36°.
Pressure30.47 inHg
Wind5.5 mph N
Humidity38%
Visibility—
Dew point20°
Thu, 1955° / 38°0
Morning42°feels 39°
Afternoon49°feels 47°
Evening53°feels 50°
Overnight45°feels 43°
55 °
Upper Merion, Thursday, 19 November
Clear. High 55°, low 38°.
Pressure30.50 inHg
Wind4.1 mph NW
Humidity45%
Visibility—
Dew point26°
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 Upper Merion, 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.