10-day forecast for Upper Merion, PA: 41° to 74°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Thursday, November 5
67° · 1.67 in
Worst day: Friday, November 6
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 0369° / 41°0
Morning50°feels 49°
Afternoon69°feels 68°
Evening58°feels 58°
Overnight43°feels 43°
69 °
Upper Merion, Tuesday, 3 November
Overcast. High 69°, low 41°.
Pressure30.30 inHg
Wind6.4 mph SW
Humidity60%
Visibility6.2 mi
Dew point52°
Wed, 0472° / 52°0
Morning55°feels 55°
Afternoon72°feels 72°
Evening61°feels 61°
Overnight54°feels 53°
72 °
Upper Merion, Wednesday, 4 November
Clear. High 72°, low 52°.
Pressure30.15 inHg
Wind8.3 mph S
Humidity60%
Visibility6.2 mi
Dew point56°
Thu, 0574° / 58°0
Morning61°feels 61°
Afternoon73°feels 74°
Evening66°feels 66°
Overnight58°feels 58°
74 °
Upper Merion, Thursday, 5 November
Overcast. High 74°, low 58°.
Pressure29.97 inHg
Wind8.3 mph S
Humidity70%
Visibility6.2 mi
Dew point61°
Fri, 0667° / 56°1.67
Morning64°feels 64°
Afternoon64°feels 65°
Evening59°feels 59°
Overnight58°feels 58°
67 °
Upper Merion, Friday, 6 November
Rain. High 67°, low 56°.
Pressure29.83 inHg
Wind10.9 mph SW
Humidity98%
Visibility—
Dew point64°
Sat, 0761° / 50°0
Morning54°feels 53°
Afternoon58°feels 58°
Evening58°feels 56°
Overnight50°feels 49°
61 °
Upper Merion, Saturday, 7 November
Overcast. High 61°, low 50°.
Pressure29.80 inHg
Wind10.8 mph NW
Humidity84%
Visibility—
Dew point52°
Sun, 0858° / 45°0
Morning48°feels 44°
Afternoon54°feels 51°
Evening55°feels 53°
Overnight49°feels 46°
58 °
Upper Merion, Sunday, 8 November
Mostly clear. High 58°, low 45°.
Pressure30.03 inHg
Wind10.5 mph W
Humidity54%
Visibility—
Dew point36°
Mon, 0959° / 46°0
Morning49°feels 47°
Afternoon55°feels 52°
Evening57°feels 54°
Overnight51°feels 48°
59 °
Upper Merion, Monday, 9 November
Clear. High 59°, low 46°.
Pressure30.09 inHg
Wind8.5 mph W
Humidity41%
Visibility—
Dew point30°
Tue, 1057° / 49°0
Morning51°feels 50°
Afternoon55°feels 52°
Evening56°feels 54°
Overnight51°feels 49°
57 °
Upper Merion, Tuesday, 10 November
Overcast. High 57°, low 49°.
Pressure30.09 inHg
Wind3.2 mph N
Humidity52%
Visibility—
Dew point36°
Wed, 1158° / 45°0
Morning49°feels 46°
Afternoon54°feels 51°
Evening56°feels 53°
Overnight47°feels 44°
58 °
Upper Merion, Wednesday, 11 November
Overcast. High 58°, low 45°.
Pressure29.91 inHg
Wind8.8 mph N
Humidity53%
Visibility—
Dew point36°
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.