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As of 22:06 MDT

Weather in Roy Summit, ID

43°Current weather

Roy Summit, Monday, 12 October, 22:06

Light rain. Feels like 38°. High 46°, low 43°.

Pressure29.85 inHg
Wind7.7 mph NW
Humidity92%
Visibility0.3 mi
Dew point41°
Tue, 1343° / 38°0.17Snow
43 °Snow

Roy Summit, Tuesday, 13 October

Snow. High 43°, low 38°.

Pressure30.15 inHg
Wind7.4 mph NW
Humidity97%
Visibility1.6 mi
Dew point32°
Wed, 1451° / 34°0Clear
51 °Clear

Roy Summit, Wednesday, 14 October

Clear. High 51°, low 34°.

Pressure30.21 inHg
Wind8.4 mph NW
Humidity62%
Visibility6.2 mi
Dew point29°
Thu, 1561° / 39°0Clear
61 °Clear

Roy Summit, Thursday, 15 October

Clear. High 61°, low 39°.

Pressure30.47 inHg
Wind2.3 mph NE
Humidity51%
Visibility6.2 mi
Dew point35°
Fri, 1661° / 37°0Clear
61 °Clear

Roy Summit, Friday, 16 October

Clear. High 61°, low 37°.

Pressure30.50 inHg
Wind7.1 mph SE
Humidity43%
Visibility6.2 mi
Dew point31°
Sat, 1761° / 41°0Clear
61 °Clear

Roy Summit, Saturday, 17 October

Clear. High 61°, low 41°.

Pressure30.21 inHg
Wind11.3 mph S
Humidity50%
Visibility—
Dew point36°
Sun, 1861° / 41°0Overcast
61 °Overcast

Roy Summit, Sunday, 18 October

Overcast. High 61°, low 41°.

Pressure30.06 inHg
Wind10.2 mph S
Humidity57%
Visibility—
Dew point40°
Mon, 1961° / 47°0Clear
61 °Clear

Roy Summit, Monday, 19 October

Clear. High 61°, low 47°.

Pressure29.80 inHg
Wind20.4 mph S
Humidity33%
Visibility—
Dew point29°
Tue, 2045° / 40°0.05Light rain
45 °Light rain

Roy Summit, Tuesday, 20 October

Light rain. High 45°, low 40°.

Pressure29.77 inHg
Wind9.3 mph N
Humidity60%
Visibility—
Dew point31°
Wed, 2139° / 32°0.22Snow
39 °Snow

Roy Summit, Wednesday, 21 October

Snow. High 39°, low 32°.

Pressure29.83 inHg
Wind20.4 mph NW
Humidity93%
Visibility—
Dew point32°
Thu, 2244° / 28°0Mostly clear
44 °Mostly clear

Roy Summit, Thursday, 22 October

Mostly clear. High 44°, low 28°.

Pressure30.09 inHg
Wind11.3 mph W
Humidity52%
Visibility—
Dew point23°
Fri, 2342° / 35°0.03Snow
42 °Snow

Roy Summit, Friday, 23 October

Snow. High 42°, low 35°.

Pressure30.36 inHg
Wind13.4 mph W
Humidity69%
Visibility—
Dew point29°
Sat, 2447° / 30°0Clear
47 °Clear

Roy Summit, Saturday, 24 October

Clear. High 47°, low 30°.

Pressure30.59 inHg
Wind6.1 mph N
Humidity50%
Visibility—
Dew point24°
Sun, 2553° / 33°0Partly cloudy
53 °Partly cloudy

Roy Summit, Sunday, 25 October

Partly cloudy. High 53°, low 33°.

Pressure30.47 inHg
Wind6.9 mph N
Humidity34%
Visibility—
Dew point19°
Mon, 2660° / 38°0Overcast
60 °Overcast

Roy Summit, Monday, 26 October

Overcast. High 60°, low 38°.

Pressure30.47 inHg
Wind5.3 mph N
Humidity40%
Visibility—
Dew point28°
Tue, 2765° / 43°0Clear
65 °Clear

Roy Summit, Tuesday, 27 October

Clear. High 65°, low 43°.

Pressure30.33 inHg
Wind3.7 mph S
Humidity36%
Visibility—
Dew point30°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Roy Summit, ID are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Roy Summit, ID since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.