10-day forecast for Keystone, IN: 37° to 69°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Monday, October 26
52° · 0.22 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 2368° / 41°0
Morning41°feels 39°
Afternoon68°feels 67°
Evening51°feels 50°
Overnight43°feels 41°
68 °
Keystone, Friday, 23 October
Clear. High 68°, low 41°.
Pressure30.36 inHg
Wind5.1 mph E
Humidity57%
Visibility6.2 mi
Dew point47°
Sat, 2467° / 44°0
Morning45°feels 43°
Afternoon66°feels 65°
Evening57°feels 56°
Overnight44°feels 41°
67 °
Keystone, Saturday, 24 October
Mostly clear. High 67°, low 44°.
Pressure30.45 inHg
Wind2.8 mph S
Humidity65%
Visibility6.2 mi
Dew point50°
Sun, 2569° / 44°0
Morning44°feels 43°
Afternoon68°feels 67°
Evening58°feels 57°
Overnight49°feels 47°
69 °
Keystone, Sunday, 25 October
Partly cloudy. High 69°, low 44°.
Pressure30.45 inHg
Wind2.8 mph S
Humidity54%
Visibility6.2 mi
Dew point48°
Mon, 2669° / 47°0
Morning47°feels 45°
Afternoon68°feels 67°
Evening60°feels 59°
Overnight50°feels 49°
69 °
Keystone, Monday, 26 October
Overcast. High 69°, low 47°.
Pressure30.36 inHg
Wind4.3 mph S
Humidity45%
Visibility—
Dew point44°
Tue, 2767° / 49°0
Morning54°feels 52°
Afternoon65°feels 64°
Evening57°feels 56°
Overnight53°feels 51°
67 °
Keystone, Tuesday, 27 October
Overcast. High 67°, low 49°.
Pressure30.30 inHg
Wind7.4 mph E
Humidity55%
Visibility—
Dew point47°
Wed, 2865° / 50°0.01
Morning54°feels 53°
Afternoon60°feels 59°
Evening58°feels 57°
Overnight58°feels 57°
65 °
Keystone, Wednesday, 28 October
Light rain. High 65°, low 50°.
Pressure30.18 inHg
Wind10.5 mph S
Humidity65%
Visibility—
Dew point48°
Thu, 2963° / 42°0.14
Morning59°feels 57°
Afternoon60°feels 59°
Evening46°feels 41°
Overnight45°feels 41°
63 °
Keystone, Thursday, 29 October
Light rain. High 63°, low 42°.
Pressure30.03 inHg
Wind19.8 mph W
Humidity72%
Visibility—
Dew point53°
Fri, 3054° / 37°0
Morning42°feels 41°
Afternoon52°feels 49°
Evening46°feels 43°
Overnight42°feels 39°
54 °
Keystone, Friday, 30 October
Clear. High 54°, low 37°.
Pressure30.30 inHg
Wind6.4 mph SE
Humidity43%
Visibility—
Dew point29°
Sat, 3152° / 42°0.22
Morning45°feels 42°
Afternoon49°feels 47°
Evening50°feels 47°
Overnight50°feels 49°
52 °
Keystone, Saturday, 31 October
Light rain. High 52°, low 42°.
Pressure30.18 inHg
Wind9.2 mph S
Humidity70%
Visibility—
Dew point39°
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.