10-day forecast for Decatur, IN: 35° to 78°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Thursday, October 29
62° · 0.56 in
Worst day: Thursday, November 5
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 3067° / 47°0
Morning47°feels 44°
Afternoon67°feels 65°
Evening52°feels 50°
Overnight53°feels 53°
67 °
Decatur, Friday, 30 October
Partly cloudy. High 67°, low 47°.
Pressure30.36 inHg
Wind5.4 mph NE
Humidity57%
Visibility6.2 mi
Dew point43°
Sat, 3159° / 46°0
Morning49°feels 46°
Afternoon57°feels 55°
Evening55°feels 53°
Overnight47°feels 44°
59 °
Decatur, Saturday, 31 October
Overcast. High 59°, low 46°.
Pressure30.45 inHg
Wind6.8 mph E
Humidity58%
Visibility6.2 mi
Dew point40°
Sun, 0170° / 52°0
Morning52°feels 50°
Afternoon69°feels 67°
Evening60°feels 59°
Overnight53°feels 51°
70 °
Decatur, Sunday, 1 November
Overcast. High 70°, low 52°.
Pressure30.36 inHg
Wind3.9 mph S
Humidity52%
Visibility6.2 mi
Dew point46°
Mon, 0266° / 49°0.01
Morning49°feels 48°
Afternoon66°feels 65°
Evening61°feels 60°
Overnight54°feels 53°
66 °
Decatur, Monday, 2 November
Light rain. High 66°, low 49°.
Pressure30.24 inHg
Wind8.1 mph S
Humidity67%
Visibility6.2 mi
Dew point50°
Tue, 0372° / 57°0.04
Morning61°feels 61°
Afternoon70°feels 70°
Evening65°feels 65°
Overnight62°feels 61°
72 °
Decatur, Tuesday, 3 November
Light rain. High 72°, low 57°.
Pressure30.03 inHg
Wind15.4 mph S
Humidity57%
Visibility—
Dew point53°
Wed, 0463° / 59°0.04
Morning61°feels 60°
Afternoon62°feels 62°
Evening62°feels 62°
Overnight62°feels 62°
63 °
Decatur, Wednesday, 4 November
Light rain. High 63°, low 59°.
Pressure29.97 inHg
Wind15.7 mph SE
Humidity77%
Visibility—
Dew point55°
Thu, 0562° / 58°0.56
Morning58°feels 58°
Afternoon58°feels 58°
Evening58°feels 58°
Overnight58°feels 58°
62 °
Decatur, Thursday, 5 November
Rain. High 62°, low 58°.
Pressure29.56 inHg
Wind16.1 mph SE
Humidity96%
Visibility—
Dew point57°
Fri, 0657° / 44°0.09
Morning55°feels 54°
Afternoon52°feels 50°
Evening47°feels 41°
Overnight46°feels 41°
57 °
Decatur, Friday, 6 November
Light rain. High 57°, low 44°.
Pressure29.62 inHg
Wind16.4 mph W
Humidity73%
Visibility—
Dew point45°
Sat, 0746° / 35°0
Morning38°feels 31°
Afternoon44°feels 39°
Evening40°feels 36°
Overnight38°feels 32°
46 °
Decatur, Saturday, 7 November
Clear. High 46°, low 35°.
Pressure30.15 inHg
Wind11.2 mph N
Humidity49%
Visibility—
Dew point26°
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, IN 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.