10-day forecast for Summit, IN: 54° to 82°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
82°
Best day: Saturday, August 8
80° · 1.85 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0980° / 65°1.85
Morning71°feels 71°
Afternoon75°feels 77°
Evening75°feels 77°
Overnight68°feels 68°
80 °
Summit, Sunday, 9 August
Heavy rain. High 80°, low 65°.
Pressure29.97 inHg
Wind10.7 mph SW
Humidity73%
Visibility6.2 mi
Dew point73°
Mon, 1082° / 72°0.33
Morning75°feels 76°
Afternoon80°feels 80°
Evening76°feels 78°
Overnight73°feels 75°
82 °
Summit, Monday, 10 August
Rain. High 82°, low 72°.
Pressure29.91 inHg
Wind6.1 mph SE
Humidity86%
Visibility6.2 mi
Dew point72°
Tue, 1182° / 71°0.48
Morning74°feels 76°
Afternoon78°feels 79°
Evening73°feels 75°
Overnight73°feels 75°
82 °
Summit, Tuesday, 11 August
Heavy rain. High 82°, low 71°.
Pressure29.80 inHg
Wind19.3 mph S
Humidity88%
Visibility6.2 mi
Dew point72°
Wed, 1275° / 68°0.05
Morning70°feels 72°
Afternoon74°feels 74°
Evening72°feels 72°
Overnight69°feels 70°
75 °
Summit, Wednesday, 12 August
Light rain. High 75°, low 68°.
Pressure29.88 inHg
Wind10.5 mph NW
Humidity78%
Visibility6.2 mi
Dew point68°
Thu, 1369° / 61°0.04
Morning67°feels 68°
Afternoon67°feels 67°
Evening65°feels 65°
Overnight62°feels 62°
69 °
Summit, Thursday, 13 August
Light rain. High 69°, low 61°.
Pressure29.94 inHg
Wind13 mph E
Humidity76%
Visibility—
Dew point60°
Fri, 1468° / 55°0
Morning60°feels 59°
Afternoon67°feels 67°
Evening63°feels 62°
Overnight59°feels 58°
68 °
Summit, Friday, 14 August
Clear. High 68°, low 55°.
Pressure30.18 inHg
Wind12.1 mph NE
Humidity64%
Visibility—
Dew point54°
Sat, 1571° / 54°0
Morning60°feels 60°
Afternoon70°feels 70°
Evening67°feels 66°
Overnight60°feels 59°
71 °
Summit, Saturday, 15 August
Overcast. High 71°, low 54°.
Pressure30.33 inHg
Wind7.1 mph S
Humidity60%
Visibility—
Dew point54°
Sun, 1675° / 56°0
Morning61°feels 61°
Afternoon73°feels 73°
Evening69°feels 70°
Overnight62°feels 63°
75 °
Summit, Sunday, 16 August
Partly cloudy. High 75°, low 56°.
Pressure30.21 inHg
Wind10.7 mph S
Humidity65%
Visibility—
Dew point58°
Mon, 1775° / 64°0.06
Morning67°feels 67°
Afternoon71°feels 72°
Evening71°feels 73°
Overnight67°feels 68°
75 °
Summit, Monday, 17 August
Light rain. High 75°, low 64°.
Pressure30.03 inHg
Wind9.1 mph S
Humidity85%
Visibility—
Dew point65°
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 Summit, 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.