10-day forecast for Summit, AK: 48° to 72°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Sunday, August 16
70° · 0.06 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0965° / 48°0
Morning52°feels 51°
Afternoon64°feels 63°
Evening62°feels 61°
Overnight50°feels 48°
65 °
Summit, Sunday, 9 August
Overcast. High 65°, low 48°.
Pressure30.15 inHg
Wind6.1 mph N
Humidity65%
Visibility6.2 mi
Dew point46°
Mon, 1065° / 49°0
Morning54°feels 53°
Afternoon64°feels 63°
Evening63°feels 61°
Overnight51°feels 49°
65 °
Summit, Monday, 10 August
Mostly clear. High 65°, low 49°.
Pressure30.09 inHg
Wind6.7 mph N
Humidity54%
Visibility6.2 mi
Dew point43°
Tue, 1165° / 49°0
Morning55°feels 53°
Afternoon64°feels 63°
Evening63°feels 62°
Overnight50°feels 49°
65 °
Summit, Tuesday, 11 August
Light rain. High 65°, low 49°.
Pressure30.09 inHg
Wind2 mph N
Humidity47%
Visibility6.2 mi
Dew point39°
Wed, 1264° / 52°0.01
Morning53°feels 53°
Afternoon62°feels 61°
Evening62°feels 61°
Overnight51°feels 50°
64 °
Summit, Wednesday, 12 August
Light rain. High 64°, low 52°.
Pressure30.24 inHg
Wind6.5 mph SW
Humidity77%
Visibility6.2 mi
Dew point50°
Thu, 1369° / 50°0
Morning54°feels 53°
Afternoon65°feels 64°
Evening66°feels 65°
Overnight56°feels 55°
69 °
Summit, Thursday, 13 August
Partly cloudy. High 69°, low 50°.
Pressure30.09 inHg
Wind5.3 mph SW
Humidity62%
Visibility—
Dew point50°
Fri, 1468° / 52°0
Morning56°feels 56°
Afternoon67°feels 66°
Evening64°feels 63°
Overnight55°feels 55°
68 °
Summit, Friday, 14 August
Partly cloudy. High 68°, low 52°.
Pressure29.97 inHg
Wind8.4 mph SW
Humidity59%
Visibility—
Dew point50°
Sat, 1568° / 50°0
Morning54°feels 53°
Afternoon64°feels 63°
Evening65°feels 64°
Overnight55°feels 55°
68 °
Summit, Saturday, 15 August
Mostly clear. High 68°, low 50°.
Pressure29.91 inHg
Wind6.5 mph S
Humidity59%
Visibility—
Dew point47°
Sun, 1672° / 52°0.01
Morning57°feels 56°
Afternoon69°feels 68°
Evening69°feels 68°
Overnight60°feels 59°
72 °
Summit, Sunday, 16 August
Light rain. High 72°, low 52°.
Pressure29.91 inHg
Wind4.1 mph SW
Humidity45%
Visibility—
Dew point45°
Mon, 1770° / 54°0.06
Morning57°feels 57°
Afternoon66°feels 65°
Evening67°feels 66°
Overnight60°feels 60°
70 °
Summit, Monday, 17 August
Light rain. High 70°, low 54°.
Pressure30.00 inHg
Wind4.1 mph SW
Humidity67%
Visibility—
Dew point53°
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, AK 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.