10-day forecast for Decatur, PA: 47° to 83°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
82°
Best day: Sunday, August 9
83° · 1.52 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1081° / 64°0.2
Morning67°feels 67°
Afternoon75°feels 75°
Evening75°feels 76°
Overnight64°feels 64°
81 °
Decatur, Monday, 10 August
Heavy rain. High 81°, low 64°.
Pressure30.00 inHg
Wind9 mph SW
Humidity73%
Visibility6.2 mi
Dew point66°
Tue, 1183° / 60°1.52
Morning64°feels 65°
Afternoon82°feels 82°
Evening71°feels 71°
Overnight61°feels 61°
83 °
Decatur, Tuesday, 11 August
Heavy rain. High 83°, low 60°.
Pressure29.94 inHg
Wind9.9 mph NW
Humidity60%
Visibility6.2 mi
Dew point62°
Wed, 1275° / 63°0.02
Morning64°feels 65°
Afternoon73°feels 73°
Evening69°feels 69°
Overnight63°feels 64°
75 °
Decatur, Wednesday, 12 August
Light rain. High 75°, low 63°.
Pressure29.83 inHg
Wind7.4 mph W
Humidity93%
Visibility6.2 mi
Dew point66°
Thu, 1374° / 57°0.02
Morning65°feels 65°
Afternoon73°feels 71°
Evening62°feels 61°
Overnight62°feels 63°
74 °
Decatur, Thursday, 13 August
Light rain. High 74°, low 57°.
Pressure29.85 inHg
Wind13.5 mph NW
Humidity37%
Visibility—
Dew point45°
Fri, 1472° / 48°0
Morning58°feels 57°
Afternoon69°feels 68°
Evening60°feels 59°
Overnight52°feels 51°
72 °
Decatur, Friday, 14 August
Partly cloudy. High 72°, low 48°.
Pressure30.06 inHg
Wind9.5 mph NW
Humidity37%
Visibility—
Dew point41°
Sat, 1571° / 47°0
Morning57°feels 55°
Afternoon69°feels 68°
Evening58°feels 57°
Overnight53°feels 52°
71 °
Decatur, Saturday, 15 August
Mostly clear. High 71°, low 47°.
Pressure30.21 inHg
Wind9.6 mph NW
Humidity35%
Visibility—
Dew point39°
Sun, 1675° / 47°0
Morning60°feels 58°
Afternoon72°feels 71°
Evening58°feels 57°
Overnight53°feels 52°
75 °
Decatur, Sunday, 16 August
Overcast. High 75°, low 47°.
Pressure30.15 inHg
Wind4.7 mph W
Humidity32%
Visibility—
Dew point40°
Mon, 1777° / 52°0
Morning63°feels 62°
Afternoon75°feels 75°
Evening65°feels 64°
Overnight61°feels 60°
77 °
Decatur, Monday, 17 August
Partly cloudy. High 77°, low 52°.
Pressure30.00 inHg
Wind4.9 mph NW
Humidity39%
Visibility—
Dew point48°
Tue, 1880° / 54°0
Morning65°feels 65°
Afternoon78°feels 78°
Evening65°feels 65°
Overnight59°feels 59°
80 °
Decatur, Tuesday, 18 August
Mostly clear. High 80°, low 54°.
Pressure30.03 inHg
Wind5.1 mph W
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 Decatur, 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.