10-day forecast for Marengo, PA: 49° to 89°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Sunday, August 9
86° · 0.7 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0987° / 68°0.02
Morning69°feels 70°
Afternoon80°feels 80°
Evening75°feels 76°
Overnight68°feels 69°
87 °
Marengo, Sunday, 9 August
Light rain. High 87°, low 68°.
Pressure30.03 inHg
Wind7 mph W
Humidity49%
Visibility6.2 mi
Dew point61°
Mon, 1089° / 65°0.14
Morning68°feels 69°
Afternoon81°feels 83°
Evening76°feels 77°
Overnight66°feels 67°
89 °
Marengo, Monday, 10 August
Rain. High 89°, low 65°.
Pressure30.00 inHg
Wind4.1 mph SW
Humidity75%
Visibility6.2 mi
Dew point65°
Tue, 1186° / 65°0.7
Morning68°feels 68°
Afternoon86°feels 87°
Evening71°feels 73°
Overnight68°feels 68°
86 °
Marengo, Tuesday, 11 August
Heavy rain. High 86°, low 65°.
Pressure29.94 inHg
Wind5.4 mph W
Humidity56%
Visibility6.2 mi
Dew point64°
Wed, 1274° / 65°0.06
Morning67°feels 68°
Afternoon71°feels 72°
Evening69°feels 70°
Overnight65°feels 66°
74 °
Marengo, Wednesday, 12 August
Light rain. High 74°, low 65°.
Pressure29.83 inHg
Wind2.1 mph W
Humidity93%
Visibility6.2 mi
Dew point67°
Thu, 1374° / 61°0.05
Morning69°feels 70°
Afternoon72°feels 73°
Evening65°feels 64°
Overnight62°feels 62°
74 °
Marengo, Thursday, 13 August
Light rain. High 74°, low 61°.
Pressure29.85 inHg
Wind11.6 mph NW
Humidity74%
Visibility—
Dew point64°
Fri, 1474° / 54°0
Morning62°feels 61°
Afternoon72°feels 71°
Evening60°feels 59°
Overnight55°feels 53°
74 °
Marengo, Friday, 14 August
Clear. High 74°, low 54°.
Pressure30.00 inHg
Wind11.9 mph NW
Humidity36%
Visibility—
Dew point43°
Sat, 1575° / 49°0
Morning60°feels 59°
Afternoon72°feels 70°
Evening62°feels 61°
Overnight55°feels 54°
75 °
Marengo, Saturday, 15 August
Clear. High 75°, low 49°.
Pressure30.21 inHg
Wind7.5 mph NW
Humidity36%
Visibility—
Dew point42°
Sun, 1676° / 50°0
Morning62°feels 61°
Afternoon74°feels 73°
Evening62°feels 61°
Overnight58°feels 57°
76 °
Marengo, Sunday, 16 August
Clear. High 76°, low 50°.
Pressure30.30 inHg
Wind3.5 mph E
Humidity34%
Visibility—
Dew point43°
Mon, 1782° / 54°0
Morning65°feels 64°
Afternoon78°feels 78°
Evening67°feels 67°
Overnight66°feels 65°
82 °
Marengo, Monday, 17 August
Overcast. High 82°, low 54°.
Pressure30.09 inHg
Wind5.6 mph SW
Humidity40%
Visibility—
Dew point51°
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 Marengo, 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.