10-day forecast for River Valley, PA: 52° to 88°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Sunday, August 9
88° · 1.19 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1088° / 68°1.19
Morning69°feels 71°
Afternoon83°feels 86°
Evening76°feels 78°
Overnight69°feels 70°
88 °
River Valley, Monday, 10 August
Heavy rain. High 88°, low 68°.
Pressure30.03 inHg
Wind8.7 mph SW
Humidity73%
Visibility6.2 mi
Dew point66°
Tue, 1180° / 65°0.12
Morning67°feels 68°
Afternoon75°feels 76°
Evening74°feels 75°
Overnight68°feels 69°
80 °
River Valley, Tuesday, 11 August
Rain. High 80°, low 65°.
Pressure30.00 inHg
Wind5.5 mph W
Humidity75%
Visibility6.2 mi
Dew point66°
Wed, 1280° / 66°0.26
Morning66°feels 67°
Afternoon80°feels 83°
Evening74°feels 75°
Overnight69°feels 70°
80 °
River Valley, Wednesday, 12 August
Rain. High 80°, low 66°.
Pressure29.80 inHg
Wind10.4 mph SW
Humidity67%
Visibility6.2 mi
Dew point66°
Thu, 1377° / 62°0
Morning65°feels 65°
Afternoon76°feels 75°
Evening66°feels 66°
Overnight67°feels 68°
77 °
River Valley, Thursday, 13 August
Partly cloudy. High 77°, low 62°.
Pressure29.97 inHg
Wind8.8 mph NW
Humidity42%
Visibility—
Dew point51°
Fri, 1476° / 58°0
Morning65°feels 65°
Afternoon74°feels 74°
Evening64°feels 63°
Overnight58°feels 57°
76 °
River Valley, Friday, 14 August
Overcast. High 76°, low 58°.
Pressure30.06 inHg
Wind8.8 mph NW
Humidity46%
Visibility—
Dew point52°
Sat, 1574° / 53°0
Morning61°feels 60°
Afternoon72°feels 71°
Evening63°feels 62°
Overnight57°feels 56°
74 °
River Valley, Saturday, 15 August
Overcast. High 74°, low 53°.
Pressure30.27 inHg
Wind5.7 mph N
Humidity40%
Visibility—
Dew point45°
Sun, 1671° / 52°0.07
Morning58°feels 57°
Afternoon62°feels 62°
Evening65°feels 66°
Overnight61°feels 61°
71 °
River Valley, Sunday, 16 August
Light rain. High 71°, low 52°.
Pressure30.12 inHg
Wind4.2 mph SE
Humidity85%
Visibility—
Dew point56°
Mon, 1775° / 60°0
Morning66°feels 66°
Afternoon72°feels 72°
Evening66°feels 66°
Overnight61°feels 61°
75 °
River Valley, Monday, 17 August
Overcast. High 75°, low 60°.
Pressure29.97 inHg
Wind6.4 mph NW
Humidity65%
Visibility—
Dew point59°
Tue, 1881° / 56°0
Morning66°feels 66°
Afternoon79°feels 79°
Evening68°feels 68°
Overnight64°feels 63°
81 °
River Valley, Tuesday, 18 August
Overcast. High 81°, low 56°.
Pressure29.97 inHg
Wind4.8 mph SE
Humidity43%
Visibility—
Dew point53°
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 River Valley, 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.