10-day forecast for Summit, IA: 63° to 100°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
100°
Best day: Tuesday, August 11
75° · 0.31 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1091° / 74°0.01
Morning74°feels 75°
Afternoon75°feels 75°
Evening86°feels 87°
Overnight80°feels 83°
91 °
Summit, Monday, 10 August
Light rain. High 91°, low 74°.
Pressure29.85 inHg
Wind8.7 mph SE
Humidity56%
Visibility6.2 mi
Dew point67°
Tue, 11100° / 70°0
Morning78°feels 78°
Afternoon99°feels 101°
Evening81°feels 84°
Overnight81°feels 82°
100 °
Summit, Tuesday, 11 August
Light rain. High 100°, low 70°.
Pressure29.74 inHg
Wind8.7 mph SW
Humidity37%
Visibility6.2 mi
Dew point64°
Wed, 1289° / 67°0.03
Morning71°feels 72°
Afternoon88°feels 92°
Evening81°feels 85°
Overnight70°feels 70°
89 °
Summit, Wednesday, 12 August
Light rain. High 89°, low 67°.
Pressure29.83 inHg
Wind9 mph E
Humidity64%
Visibility6.2 mi
Dew point69°
Thu, 1375° / 65°0.31
Morning72°feels 73°
Afternoon73°feels 74°
Evening68°feels 68°
Overnight66°feels 67°
75 °
Summit, Thursday, 13 August
Rain. High 75°, low 65°.
Pressure29.91 inHg
Wind21.1 mph E
Humidity91%
Visibility—
Dew point71°
Fri, 1468° / 63°0.23
Morning65°feels 65°
Afternoon67°feels 68°
Evening67°feels 68°
Overnight66°feels 67°
68 °
Summit, Friday, 14 August
Light rain. High 68°, low 63°.
Pressure30.06 inHg
Wind20 mph E
Humidity93%
Visibility—
Dew point64°
Sat, 1572° / 64°0.15
Morning65°feels 66°
Afternoon68°feels 69°
Evening71°feels 72°
Overnight66°feels 67°
72 °
Summit, Saturday, 15 August
Light rain. High 72°, low 64°.
Pressure30.12 inHg
Wind8.2 mph E
Humidity96%
Visibility—
Dew point66°
Sun, 1684° / 64°0
Morning69°feels 71°
Afternoon82°feels 85°
Evening80°feels 84°
Overnight71°feels 72°
84 °
Summit, Sunday, 16 August
Partly cloudy. High 84°, low 64°.
Pressure30.12 inHg
Wind7.7 mph NE
Humidity63%
Visibility—
Dew point65°
Mon, 1783° / 69°0.04
Morning72°feels 72°
Afternoon79°feels 80°
Evening80°feels 84°
Overnight72°feels 73°
83 °
Summit, Monday, 17 August
Light rain. High 83°, low 69°.
Pressure30.06 inHg
Wind10.7 mph SE
Humidity68%
Visibility—
Dew point66°
Tue, 1899° / 68°0
Morning76°feels 78°
Afternoon92°feels 96°
Evening89°feels 89°
Overnight85°feels 85°
99 °
Summit, Tuesday, 18 August
Overcast. High 99°, low 68°.
Pressure29.83 inHg
Wind13.7 mph SE
Humidity45%
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, IA 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.