10-day forecast for Upper Merion, PA: 37° to 73°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Wednesday, November 4
68° · 1.57 in
Worst day: Friday, November 6
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0266° / 40°0
Morning42°feels 42°
Afternoon66°feels 64°
Evening54°feels 52°
Overnight43°feels 43°
66 °
Upper Merion, Monday, 2 November
Overcast. High 66°, low 40°.
Pressure30.45 inHg
Wind4.2 mph SW
Humidity44%
Visibility6.2 mi
Dew point39°
Tue, 0370° / 46°0
Morning47°feels 47°
Afternoon70°feels 69°
Evening60°feels 59°
Overnight48°feels 48°
70 °
Upper Merion, Tuesday, 3 November
Partly cloudy. High 70°, low 46°.
Pressure30.30 inHg
Wind6.3 mph SW
Humidity61%
Visibility6.2 mi
Dew point52°
Wed, 0473° / 53°0
Morning53°feels 53°
Afternoon73°feels 72°
Evening64°feels 64°
Overnight55°feels 55°
73 °
Upper Merion, Wednesday, 4 November
Clear. High 73°, low 53°.
Pressure30.15 inHg
Wind6.7 mph S
Humidity68%
Visibility6.2 mi
Dew point56°
Thu, 0569° / 59°0.56
Morning61°feels 62°
Afternoon66°feels 67°
Evening68°feels 69°
Overnight64°feels 65°
69 °
Upper Merion, Thursday, 5 November
Rain. High 69°, low 59°.
Pressure29.94 inHg
Wind8.2 mph S
Humidity96%
Visibility—
Dew point64°
Fri, 0668° / 63°1.57
Morning64°feels 65°
Afternoon66°feels 67°
Evening67°feels 68°
Overnight63°feels 64°
68 °
Upper Merion, Friday, 6 November
Heavy rain. High 68°, low 63°.
Pressure29.83 inHg
Wind7.7 mph E
Humidity95%
Visibility—
Dew point64°
Sat, 0767° / 58°1.34
Morning63°feels 64°
Afternoon64°feels 65°
Evening64°feels 64°
Overnight59°feels 58°
67 °
Upper Merion, Saturday, 7 November
Heavy rain. High 67°, low 58°.
Pressure29.59 inHg
Wind8.1 mph E
Humidity96%
Visibility—
Dew point63°
Sun, 0860° / 46°0.15
Morning55°feels 54°
Afternoon55°feels 53°
Evening56°feels 53°
Overnight48°feels 43°
60 °
Upper Merion, Sunday, 8 November
Light rain. High 60°, low 46°.
Pressure29.38 inHg
Wind15.3 mph W
Humidity68%
Visibility—
Dew point44°
Mon, 0949° / 46°0.13
Morning48°feels 42°
Afternoon47°feels 41°
Evening47°feels 41°
Overnight47°feels 41°
49 °
Upper Merion, Monday, 9 November
Rain. High 49°, low 46°.
Pressure29.44 inHg
Wind17.2 mph W
Humidity72%
Visibility—
Dew point39°
Tue, 1051° / 47°0
Morning48°feels 42°
Afternoon50°feels 45°
Evening50°feels 48°
Overnight49°feels 44°
51 °
Upper Merion, Tuesday, 10 November
Light rain. High 51°, low 47°.
Pressure29.59 inHg
Wind15.9 mph W
Humidity66%
Visibility—
Dew point38°
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.