10-day forecast for Upper Merion, PA: 37° to 76°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Wednesday, November 4
68° · 0.93 in
Worst day: Friday, November 6
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0164° / 37°0
Morning39°feels 39°
Afternoon64°feels 62°
Evening52°feels 50°
Overnight40°feels 38°
64 °
Upper Merion, Sunday, 1 November
Overcast. High 64°, low 37°.
Pressure30.56 inHg
Wind1.5 mph NE
Humidity51%
Visibility6.2 mi
Dew point38°
Mon, 0266° / 43°0
Morning44°feels 44°
Afternoon65°feels 63°
Evening55°feels 53°
Overnight44°feels 44°
66 °
Upper Merion, Monday, 2 November
Overcast. High 66°, low 43°.
Pressure30.45 inHg
Wind2.8 mph SW
Humidity44%
Visibility6.2 mi
Dew point38°
Tue, 0370° / 45°0
Morning45°feels 45°
Afternoon69°feels 68°
Evening59°feels 59°
Overnight48°feels 48°
70 °
Upper Merion, Tuesday, 3 November
Mostly clear. High 70°, low 45°.
Pressure30.33 inHg
Wind4.2 mph SW
Humidity54%
Visibility6.2 mi
Dew point48°
Wed, 0472° / 51°0
Morning51°feels 50°
Afternoon72°feels 71°
Evening68°feels 68°
Overnight54°feels 53°
72 °
Upper Merion, Wednesday, 4 November
Clear. High 72°, low 51°.
Pressure30.18 inHg
Wind4.4 mph S
Humidity63%
Visibility6.2 mi
Dew point53°
Thu, 0576° / 55°0.13
Morning59°feels 59°
Afternoon69°feels 69°
Evening69°feels 70°
Overnight63°feels 64°
76 °
Upper Merion, Thursday, 5 November
Light rain. High 76°, low 55°.
Pressure30.00 inHg
Wind10.5 mph SE
Humidity77%
Visibility—
Dew point60°
Fri, 0668° / 62°0.93
Morning64°feels 65°
Afternoon65°feels 65°
Evening65°feels 65°
Overnight63°feels 63°
68 °
Upper Merion, Friday, 6 November
Heavy rain. High 68°, low 62°.
Pressure29.88 inHg
Wind8.4 mph E
Humidity95%
Visibility—
Dew point63°
Sat, 0761° / 56°0.02
Morning60°feels 60°
Afternoon60°feels 59°
Evening58°feels 57°
Overnight57°feels 56°
61 °
Upper Merion, Saturday, 7 November
Light rain. High 61°, low 56°.
Pressure29.77 inHg
Wind8.9 mph E
Humidity88%
Visibility—
Dew point56°
Sun, 0864° / 53°0.02
Morning56°feels 55°
Afternoon60°feels 59°
Evening61°feels 60°
Overnight56°feels 56°
64 °
Upper Merion, Sunday, 8 November
Light rain. High 64°, low 53°.
Pressure29.80 inHg
Wind7 mph SW
Humidity78%
Visibility—
Dew point51°
Mon, 0963° / 52°0.23
Morning58°feels 57°
Afternoon60°feels 59°
Evening55°feels 54°
Overnight53°feels 52°
63 °
Upper Merion, Monday, 9 November
Light rain. High 63°, low 52°.
Pressure29.47 inHg
Wind12.1 mph E
Humidity87%
Visibility—
Dew point56°
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.