10-day forecast for Upper Merion, PA: 37° to 74°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Wednesday, November 4
46°
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 0573° / 57°0.06
Morning63°feels 64°
Afternoon72°feels 73°
Evening64°feels 65°
Overnight57°feels 57°
73 °
Upper Merion, Thursday, 5 November
Light rain. High 73°, low 57°.
Pressure29.88 inHg
Wind12.3 mph S
Humidity87%
Visibility6.2 mi
Dew point66°
Fri, 0673° / 55°0.03
Morning59°feels 59°
Afternoon71°feels 70°
Evening59°feels 58°
Overnight60°feels 60°
73 °
Upper Merion, Friday, 6 November
Light rain. High 73°, low 55°.
Pressure29.88 inHg
Wind1.7 mph N
Humidity59%
Visibility6.2 mi
Dew point54°
Sat, 0759° / 48°0.01
Morning53°feels 52°
Afternoon57°feels 56°
Evening50°feels 45°
Overnight53°feels 52°
59 °
Upper Merion, Saturday, 7 November
Light rain. High 59°, low 48°.
Pressure29.88 inHg
Wind11.8 mph W
Humidity63%
Visibility6.2 mi
Dew point45°
Sun, 0858° / 48°0
Morning52°feels 51°
Afternoon58°feels 56°
Evening54°feels 51°
Overnight50°feels 45°
58 °
Upper Merion, Sunday, 8 November
Overcast. High 58°, low 48°.
Pressure29.88 inHg
Wind13 mph W
Humidity52%
Visibility6.2 mi
Dew point40°
Mon, 0956° / 47°0
Morning53°feels 50°
Afternoon54°feels 51°
Evening55°feels 52°
Overnight48°feels 45°
56 °
Upper Merion, Monday, 9 November
Overcast. High 56°, low 47°.
Pressure29.94 inHg
Wind16 mph NW
Humidity51%
Visibility—
Dew point36°
Tue, 1063° / 41°0
Morning46°feels 43°
Afternoon56°feels 54°
Evening60°feels 57°
Overnight50°feels 47°
63 °
Upper Merion, Tuesday, 10 November
Partly cloudy. High 63°, low 41°.
Pressure30.00 inHg
Wind10.4 mph W
Humidity52%
Visibility—
Dew point36°
Wed, 1159° / 46°0
Morning49°feels 47°
Afternoon55°feels 52°
Evening55°feels 53°
Overnight47°feels 43°
59 °
Upper Merion, Wednesday, 11 November
Clear. High 59°, low 46°.
Pressure29.88 inHg
Wind10.1 mph NW
Humidity52%
Visibility—
Dew point36°
Thu, 1247° / 39°0
Morning44°feels 38°
Afternoon45°feels 39°
Evening44°feels 38°
Overnight39°feels 33°
47 °
Upper Merion, Thursday, 12 November
Mostly clear. High 47°, low 39°.
Pressure29.77 inHg
Wind14.5 mph NW
Humidity54%
Visibility—
Dew point29°
Fri, 1346° / 37°0
Morning39°feels 32°
Afternoon43°feels 36°
Evening44°feels 38°
Overnight42°feels 35°
46 °
Upper Merion, Friday, 13 November
Overcast. High 46°, low 37°.
Pressure29.74 inHg
Wind14.8 mph NW
Humidity51%
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 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.