10-day forecast for Keystone, IN: 42° to 71°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Thursday, October 22
62° · 0.22 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 2369° / 42°0
Morning42°feels 42°
Afternoon69°feels 67°
Evening53°feels 51°
Overnight44°feels 42°
69 °
Keystone, Friday, 23 October
Clear. High 69°, low 42°.
Pressure30.36 inHg
Wind4.1 mph E
Humidity58%
Visibility6.2 mi
Dew point48°
Sat, 2467° / 45°0
Morning45°feels 43°
Afternoon66°feels 65°
Evening57°feels 56°
Overnight48°feels 46°
67 °
Keystone, Saturday, 24 October
Partly cloudy. High 67°, low 45°.
Pressure30.45 inHg
Wind2.3 mph SE
Humidity67%
Visibility6.2 mi
Dew point51°
Sun, 2569° / 45°0
Morning45°feels 44°
Afternoon69°feels 67°
Evening59°feels 58°
Overnight50°feels 49°
69 °
Keystone, Sunday, 25 October
Partly cloudy. High 69°, low 45°.
Pressure30.45 inHg
Wind3.3 mph S
Humidity51%
Visibility6.2 mi
Dew point46°
Mon, 2670° / 47°0
Morning54°feels 52°
Afternoon68°feels 67°
Evening59°feels 58°
Overnight51°feels 49°
70 °
Keystone, Monday, 26 October
Overcast. High 70°, low 47°.
Pressure30.36 inHg
Wind4.1 mph S
Humidity45%
Visibility—
Dew point44°
Tue, 2764° / 50°0
Morning54°feels 51°
Afternoon62°feels 61°
Evening56°feels 55°
Overnight54°feels 52°
64 °
Keystone, Tuesday, 27 October
Overcast. High 64°, low 50°.
Pressure30.33 inHg
Wind8.9 mph E
Humidity55%
Visibility—
Dew point45°
Wed, 2865° / 53°0
Morning58°feels 57°
Afternoon64°feels 63°
Evening60°feels 59°
Overnight58°feels 57°
65 °
Keystone, Wednesday, 28 October
Overcast. High 65°, low 53°.
Pressure30.15 inHg
Wind6.9 mph W
Humidity59%
Visibility—
Dew point49°
Thu, 2963° / 50°0
Morning54°feels 53°
Afternoon61°feels 60°
Evening56°feels 55°
Overnight54°feels 53°
63 °
Keystone, Thursday, 29 October
Overcast. High 63°, low 50°.
Pressure30.15 inHg
Wind5.7 mph N
Humidity60%
Visibility—
Dew point46°
Fri, 3062° / 54°0.11
Morning56°feels 55°
Afternoon60°feels 58°
Evening60°feels 59°
Overnight59°feels 58°
62 °
Keystone, Friday, 30 October
Light rain. High 62°, low 54°.
Pressure30.00 inHg
Wind12.5 mph S
Humidity72%
Visibility—
Dew point50°
Sat, 3162° / 56°0.22
Morning60°feels 58°
Afternoon58°feels 57°
Evening56°feels 56°
Overnight57°feels 56°
62 °
Keystone, Saturday, 31 October
Light rain. High 62°, low 56°.
Pressure29.85 inHg
Wind18.6 mph S
Humidity69%
Visibility—
Dew point49°
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.