10-day forecast for Upper Merion, PA: 39° to 72°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Wednesday, November 4
62° · 0.1 in
Worst day: Thursday, November 5
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 3158° / 39°0
Morning41°feels 38°
Afternoon58°feels 56°
Evening47°feels 45°
Overnight42°feels 38°
58 °
Upper Merion, Saturday, 31 October
Clear. High 58°, low 39°.
Pressure30.47 inHg
Wind5 mph N
Humidity53%
Visibility6.2 mi
Dew point38°
Sun, 0159° / 39°0
Morning40°feels 40°
Afternoon58°feels 56°
Evening51°feels 49°
Overnight39°feels 39°
59 °
Upper Merion, Sunday, 1 November
Partly cloudy. High 59°, low 39°.
Pressure30.56 inHg
Wind1.7 mph N
Humidity55%
Visibility6.2 mi
Dew point39°
Mon, 0267° / 43°0
Morning44°feels 44°
Afternoon66°feels 65°
Evening56°feels 54°
Overnight47°feels 46°
67 °
Upper Merion, Monday, 2 November
Overcast. High 67°, low 43°.
Pressure30.39 inHg
Wind3.8 mph SW
Humidity47%
Visibility6.2 mi
Dew point42°
Tue, 0368° / 44°0
Morning44°feels 44°
Afternoon68°feels 66°
Evening56°feels 54°
Overnight48°feels 48°
68 °
Upper Merion, Tuesday, 3 November
Overcast. High 68°, low 44°.
Pressure30.33 inHg
Wind0.4 mph SE
Humidity53%
Visibility6.2 mi
Dew point44°
Wed, 0472° / 49°0
Morning53°feels 53°
Afternoon64°feels 64°
Evening68°feels 67°
Overnight57°feels 57°
72 °
Upper Merion, Wednesday, 4 November
Overcast. High 72°, low 49°.
Pressure30.27 inHg
Wind8.3 mph S
Humidity81%
Visibility—
Dew point55°
Thu, 0562° / 57°0.1
Morning58°feels 58°
Afternoon61°feels 61°
Evening61°feels 62°
Overnight60°feels 60°
62 °
Upper Merion, Thursday, 5 November
Light rain. High 62°, low 57°.
Pressure30.09 inHg
Wind6.6 mph SE
Humidity91%
Visibility—
Dew point58°
Fri, 0668° / 59°0
Morning60°feels 60°
Afternoon63°feels 63°
Evening64°feels 64°
Overnight60°feels 60°
68 °
Upper Merion, Friday, 6 November
Overcast. High 68°, low 59°.
Pressure30.15 inHg
Wind3.3 mph S
Humidity79%
Visibility—
Dew point55°
Sat, 0766° / 60°0
Morning61°feels 60°
Afternoon64°feels 63°
Evening65°feels 65°
Overnight62°feels 62°
66 °
Upper Merion, Saturday, 7 November
Overcast. High 66°, low 60°.
Pressure30.21 inHg
Wind6 mph E
Humidity66%
Visibility—
Dew point51°
Sun, 0869° / 60°0
Morning62°feels 62°
Afternoon66°feels 66°
Evening68°feels 68°
Overnight64°feels 64°
69 °
Upper Merion, Sunday, 8 November
Overcast. High 69°, low 60°.
Pressure30.24 inHg
Wind3.4 mph NW
Humidity77%
Visibility—
Dew point58°
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.