10-day forecast for Keystone, IN: 33° to 84°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Tuesday, October 13
69° · 0.75 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1282° / 57°0
Morning60°feels 60°
Afternoon80°feels 81°
Evening73°feels 73°
Overnight58°feels 58°
82 °
Keystone, Monday, 12 October
Clear. High 82°, low 57°.
Pressure29.94 inHg
Wind10 mph SW
Humidity64%
Visibility6.2 mi
Dew point61°
Tue, 1384° / 68°0
Morning68°feels 68°
Afternoon83°feels 84°
Evening77°feels 78°
Overnight70°feels 70°
84 °
Keystone, Tuesday, 13 October
Clear. High 84°, low 68°.
Pressure29.85 inHg
Wind15.3 mph SW
Humidity51%
Visibility6.2 mi
Dew point60°
Wed, 1476° / 63°0.04
Morning64°feels 64°
Afternoon75°feels 75°
Evening66°feels 66°
Overnight70°feels 70°
76 °
Keystone, Wednesday, 14 October
Light rain. High 76°, low 63°.
Pressure30.03 inHg
Wind7 mph NE
Humidity64%
Visibility6.2 mi
Dew point59°
Thu, 1569° / 59°0.75
Morning60°feels 59°
Afternoon66°feels 66°
Evening67°feels 68°
Overnight59°feels 59°
69 °
Keystone, Thursday, 15 October
Rain. High 69°, low 59°.
Pressure30.12 inHg
Wind10.4 mph E
Humidity82%
Visibility4.2 mi
Dew point57°
Fri, 1669° / 49°0.18
Morning60°feels 59°
Afternoon60°feels 58°
Evening52°feels 50°
Overnight51°feels 47°
69 °
Keystone, Friday, 16 October
Light rain. High 69°, low 49°.
Pressure30.24 inHg
Wind21.3 mph NW
Humidity48%
Visibility—
Dew point41°
Sat, 1748° / 37°0
Morning41°feels 38°
Afternoon46°feels 42°
Evening39°feels 35°
Overnight37°feels 33°
48 °
Keystone, Saturday, 17 October
Clear. High 48°, low 37°.
Pressure30.56 inHg
Wind11.5 mph N
Humidity46%
Visibility—
Dew point27°
Sun, 1854° / 33°0
Morning39°feels 33°
Afternoon51°feels 47°
Evening44°feels 38°
Overnight40°feels 34°
54 °
Keystone, Sunday, 18 October
Clear. High 54°, low 33°.
Pressure30.56 inHg
Wind14.3 mph SW
Humidity39%
Visibility—
Dew point26°
Mon, 1962° / 40°0
Morning46°feels 41°
Afternoon59°feels 57°
Evening51°feels 48°
Overnight47°feels 42°
62 °
Keystone, Monday, 19 October
Clear. High 62°, low 40°.
Pressure30.45 inHg
Wind14.9 mph SW
Humidity37%
Visibility—
Dew point32°
Tue, 2060° / 45°0
Morning50°feels 47°
Afternoon59°feels 56°
Evening53°feels 50°
Overnight49°feels 47°
60 °
Keystone, Tuesday, 20 October
Overcast. High 60°, low 45°.
Pressure30.42 inHg
Wind7.4 mph SW
Humidity38%
Visibility—
Dew point32°
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.