10-day forecast for Roy Summit, ID: 34° to 56°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
56°
Best day: Sunday, October 25
50° · 0.72 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 2451° / 37°0.02
Morning38°feels 33°
Afternoon50°feels 48°
Evening40°feels 38°
Overnight39°feels 35°
51 °
Roy Summit, Saturday, 24 October
Light rain. High 51°, low 37°.
Pressure30.27 inHg
Wind6.9 mph N
Humidity77%
Visibility6.2 mi
Dew point34°
Sun, 2556° / 35°0
Morning36°feels 36°
Afternoon56°feels 54°
Evening44°feels 43°
Overnight36°feels 36°
56 °
Roy Summit, Sunday, 25 October
Clear. High 56°, low 35°.
Pressure30.12 inHg
Wind5.6 mph SE
Humidity55%
Visibility6.2 mi
Dew point36°
Mon, 2654° / 38°0.03
Morning38°feels 33°
Afternoon54°feels 52°
Evening45°feels 42°
Overnight39°feels 35°
54 °
Roy Summit, Monday, 26 October
Light rain. High 54°, low 38°.
Pressure30.09 inHg
Wind13.4 mph S
Humidity74%
Visibility6.2 mi
Dew point41°
Tue, 2751° / 34°0.05
Morning35°feels 32°
Afternoon50°feels 48°
Evening45°feels 42°
Overnight38°feels 34°
51 °
Roy Summit, Tuesday, 27 October
Light rain. High 51°, low 34°.
Pressure30.18 inHg
Wind4.5 mph W
Humidity63%
Visibility6.2 mi
Dew point30°
Wed, 2856° / 37°0
Morning42°feels 38°
Afternoon52°feels 50°
Evening49°feels 47°
Overnight42°feels 39°
56 °
Roy Summit, Wednesday, 28 October
Overcast. High 56°, low 37°.
Pressure30.00 inHg
Wind13.4 mph S
Humidity60%
Visibility—
Dew point37°
Thu, 2952° / 41°0
Morning44°feels 40°
Afternoon49°feels 46°
Evening45°feels 41°
Overnight42°feels 39°
52 °
Roy Summit, Thursday, 29 October
Mostly clear. High 52°, low 41°.
Pressure29.97 inHg
Wind11.2 mph S
Humidity50%
Visibility—
Dew point31°
Fri, 3053° / 41°0
Morning44°feels 40°
Afternoon50°feels 47°
Evening49°feels 47°
Overnight45°feels 42°
53 °
Roy Summit, Friday, 30 October
Overcast. High 53°, low 41°.
Pressure29.85 inHg
Wind8.7 mph S
Humidity49%
Visibility—
Dew point31°
Sat, 3152° / 40°0.06
Morning43°feels 39°
Afternoon49°feels 46°
Evening48°feels 46°
Overnight44°feels 43°
52 °
Roy Summit, Saturday, 31 October
Light rain. High 52°, low 40°.
Pressure29.88 inHg
Wind9 mph S
Humidity65%
Visibility—
Dew point37°
Sun, 0145° / 36°0.01
Morning38°feels 31°
Afternoon39°feels 31°
Evening40°feels 32°
Overnight36°feels 29°
45 °
Roy Summit, Sunday, 1 November
Light rain. High 45°, low 36°.
Pressure30.00 inHg
Wind18.9 mph NW
Humidity93%
Visibility—
Dew point36°
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 Roy Summit, ID 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.