10-day forecast for Keystone, IN: 52° to 87°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Saturday, August 8
84° · 0.7 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0987° / 69°0.63
Morning71°feels 72°
Afternoon87°feels 97°
Evening74°feels 75°
Overnight71°feels 72°
87 °
Keystone, Sunday, 9 August
Heavy rain. High 87°, low 69°.
Pressure30.03 inHg
Wind10.4 mph SW
Humidity77%
Visibility6.2 mi
Dew point73°
Mon, 1084° / 71°0.24
Morning74°feels 75°
Afternoon78°feels 80°
Evening81°feels 87°
Overnight73°feels 74°
84 °
Keystone, Monday, 10 August
Rain. High 84°, low 71°.
Pressure29.97 inHg
Wind14.2 mph W
Humidity77%
Visibility6.2 mi
Dew point74°
Tue, 1184° / 70°0.7
Morning71°feels 73°
Afternoon81°feels 86°
Evening78°feels 79°
Overnight74°feels 76°
84 °
Keystone, Tuesday, 11 August
Rain. High 84°, low 70°.
Pressure29.88 inHg
Wind11.6 mph S
Humidity84%
Visibility6.2 mi
Dew point74°
Wed, 1282° / 68°0.13
Morning68°feels 69°
Afternoon82°feels 88°
Evening72°feels 74°
Overnight69°feels 70°
82 °
Keystone, Wednesday, 12 August
Light rain. High 82°, low 68°.
Pressure29.80 inHg
Wind4.2 mph N
Humidity81%
Visibility6.2 mi
Dew point72°
Thu, 1374° / 59°0.07
Morning67°feels 68°
Afternoon69°feels 71°
Evening65°feels 65°
Overnight61°feels 61°
74 °
Keystone, Thursday, 13 August
Light rain. High 74°, low 59°.
Pressure29.91 inHg
Wind11.6 mph NE
Humidity92%
Visibility—
Dew point67°
Fri, 1469° / 55°0
Morning58°feels 58°
Afternoon68°feels 67°
Evening63°feels 63°
Overnight56°feels 55°
69 °
Keystone, Friday, 14 August
Clear. High 69°, low 55°.
Pressure30.15 inHg
Wind12.5 mph N
Humidity61%
Visibility—
Dew point53°
Sat, 1571° / 52°0
Morning59°feels 59°
Afternoon70°feels 70°
Evening65°feels 65°
Overnight58°feels 58°
71 °
Keystone, Saturday, 15 August
Overcast. High 71°, low 52°.
Pressure30.33 inHg
Wind5.5 mph N
Humidity61%
Visibility—
Dew point54°
Sun, 1674° / 55°0
Morning62°feels 61°
Afternoon72°feels 72°
Evening67°feels 67°
Overnight60°feels 60°
74 °
Keystone, Sunday, 16 August
Partly cloudy. High 74°, low 55°.
Pressure30.24 inHg
Wind7.4 mph S
Humidity65%
Visibility—
Dew point58°
Mon, 1773° / 59°0.24
Morning65°feels 65°
Afternoon68°feels 69°
Evening68°feels 69°
Overnight68°feels 69°
73 °
Keystone, Monday, 17 August
Rain. High 73°, low 59°.
Pressure30.06 inHg
Wind7.4 mph S
Humidity84%
Visibility—
Dew point63°
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 Keystone, 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.