10-day forecast for Walnut, PA: 51° to 90°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Monday, August 17
89° · 0.23 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0985° / 69°0.05
Morning73°feels 75°
Afternoon85°feels 84°
Evening75°feels 75°
Overnight70°feels 72°
85 °
Walnut, Sunday, 9 August
Light rain. High 85°, low 69°.
Pressure30.03 inHg
Wind6.5 mph W
Humidity49%
Visibility6.2 mi
Dew point63°
Mon, 1090° / 68°0.14
Morning73°feels 73°
Afternoon79°feels 79°
Evening74°feels 75°
Overnight71°feels 71°
90 °
Walnut, Monday, 10 August
Rain. High 90°, low 68°.
Pressure30.03 inHg
Wind4.2 mph S
Humidity73%
Visibility6.2 mi
Dew point65°
Tue, 1189° / 66°0.23
Morning69°feels 70°
Afternoon87°feels 88°
Evening77°feels 78°
Overnight69°feels 70°
89 °
Walnut, Tuesday, 11 August
Rain. High 89°, low 66°.
Pressure29.94 inHg
Wind5.2 mph W
Humidity59%
Visibility6.2 mi
Dew point65°
Wed, 1278° / 66°0.04
Morning68°feels 69°
Afternoon74°feels 75°
Evening71°feels 72°
Overnight67°feels 68°
78 °
Walnut, Wednesday, 12 August
Light rain. High 78°, low 66°.
Pressure29.83 inHg
Wind2.1 mph W
Humidity93%
Visibility6.2 mi
Dew point68°
Thu, 1383° / 63°0
Morning72°feels 73°
Afternoon80°feels 80°
Evening67°feels 67°
Overnight64°feels 64°
83 °
Walnut, Thursday, 13 August
Overcast. High 83°, low 63°.
Pressure29.80 inHg
Wind13.5 mph NW
Humidity46%
Visibility—
Dew point58°
Fri, 1477° / 55°0
Morning66°feels 65°
Afternoon73°feels 72°
Evening62°feels 61°
Overnight57°feels 56°
77 °
Walnut, Friday, 14 August
Clear. High 77°, low 55°.
Pressure30.00 inHg
Wind7.9 mph NW
Humidity37%
Visibility—
Dew point45°
Sat, 1576° / 51°0
Morning61°feels 60°
Afternoon73°feels 72°
Evening65°feels 64°
Overnight57°feels 56°
76 °
Walnut, Saturday, 15 August
Clear. High 76°, low 51°.
Pressure30.21 inHg
Wind7.6 mph NW
Humidity36%
Visibility—
Dew point43°
Sun, 1677° / 51°0
Morning63°feels 62°
Afternoon75°feels 74°
Evening63°feels 62°
Overnight59°feels 57°
77 °
Walnut, Sunday, 16 August
Mostly clear. High 77°, low 51°.
Pressure30.30 inHg
Wind3 mph E
Humidity33%
Visibility—
Dew point43°
Mon, 1784° / 54°0
Morning66°feels 65°
Afternoon81°feels 80°
Evening72°feels 72°
Overnight67°feels 67°
84 °
Walnut, Monday, 17 August
Overcast. High 84°, low 54°.
Pressure30.09 inHg
Wind6 mph SW
Humidity42%
Visibility—
Dew point54°
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 Walnut, 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.