As of 03:11 MDT

Weather in Casper Mountain, WY

25°Current weather

Casper Mountain, Monday, 19 October, 03:11

Partly cloudy. Feels like 22°. High 62°, low 25°.

Pressure30.12 inHg
Wind3 mph SE
Humidity70%
Visibility6.2 mi
Dew point20°

Monthly outlook for Casper Mountain, WY: average high 51.5°, average low 33.3°. That is 4.6° above the climate normal for October. Precipitation is expected on 3 days (about 0.6 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 21 October (68.7°), the coolest 28 October (10.2°).

51.5°/33.3°
Average high / low
+4.6°
Above normal
3 / 3
Wet days / normal
0.6 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
19 October – 28 October54.1°46°+4.5°
29 October – 7 November47.3°39.1°+4.6°
8 November – 17 Novemberat normal35.5°—

October records over 66 years

73.4°1 October 2011All-time high
-20.6°26 October 2020All-time low
Tue, 2065° / 40°0Clear
65 °Clear

Casper Mountain, Tuesday, 20 October

Clear. High 65°, low 40°.

Pressure30.06 inHg
Wind10.6 mph SW
Humidity44%
Visibility6.2 mi
Dew point41°
Wed, 2169° / 44°0Partly cloudy
69 °Partly cloudy

Casper Mountain, Wednesday, 21 October

Partly cloudy. High 69°, low 44°.

Pressure30.12 inHg
Wind0.2 mph SE
Humidity42%
Visibility6.2 mi
Dew point40°
Thu, 2268° / 48°0Overcast
68 °Overcast

Casper Mountain, Thursday, 22 October

Overcast. High 68°, low 48°.

Pressure29.97 inHg
Wind18.1 mph SW
Humidity48%
Visibility6.2 mi
Dew point45°
Fri, 2363° / 51°0Partly cloudy
63 °Partly cloudy

Casper Mountain, Friday, 23 October

Partly cloudy. High 63°, low 51°.

Pressure29.68 inHg
Wind20.6 mph SW
Humidity40%
Visibility—
Dew point37°
Sat, 2452° / 39°0Overcast
52 °Overcast

Casper Mountain, Saturday, 24 October

Overcast. High 52°, low 39°.

Pressure30.06 inHg
Wind16.7 mph SW
Humidity48%
Visibility—
Dew point32°
Sun, 2554° / 28°0Clear
54 °Clear

Casper Mountain, Sunday, 25 October

Clear. High 54°, low 28°.

Pressure30.18 inHg
Wind17.6 mph SW
Humidity20%
Visibility—
Dew point6°
Mon, 2644° / 31°0Clear
44 °Clear

Casper Mountain, Monday, 26 October

Clear. High 44°, low 31°.

Pressure30.15 inHg
Wind12.7 mph NE
Humidity42%
Visibility—
Dew point16°
Tue, 2729° / 19°0.23Snow
29 °Snow

Casper Mountain, Tuesday, 27 October

Snow. High 29°, low 19°.

Pressure30.47 inHg
Wind12.8 mph NE
Humidity85%
Visibility—
Dew point20°
Wed, 2834° / 10°0.01Light snow
34 °Light snow

Casper Mountain, Wednesday, 28 October

Light snow. High 34°, low 10°.

Pressure30.33 inHg
Wind7.7 mph S
Humidity70%
Visibility—
Dew point17°
Thu, 2951° / 27°0Clear
51 °Clear

Casper Mountain, Thursday, 29 October

Clear. High 51°, low 27°.

Pressure29.91 inHg
Wind18.4 mph SW
Humidity43%
Visibility—
Dew point22°
Fri, 3055° / 39°0Overcast
55 °Overcast

Casper Mountain, Friday, 30 October

Overcast. High 55°, low 39°.

Pressure29.80 inHg
Wind22 mph SW
Humidity38%
Visibility—
Dew point26°
Sat, 3149° / 37°0Overcast
49 °Overcast

Casper Mountain, Saturday, 31 October

Overcast. High 49°, low 37°.

Pressure29.91 inHg
Wind24.8 mph SW
Humidity49%
Visibility—
Dew point27°
Sun, 0146° / 35°0.07Light rain
46 °Light rain

Casper Mountain, Sunday, 1 November

Light rain. High 46°, low 35°.

Pressure29.77 inHg
Wind18.4 mph W
Humidity63%
Visibility—
Dew point32°
Mon, 0235° / 29°0.26Snow
35 °Snow

Casper Mountain, Monday, 2 November

Snow. High 35°, low 29°.

Pressure30.18 inHg
Wind6.7 mph NW
Humidity95%
Visibility—
Dew point29°
Tue, 0348° / 30°0Partly cloudy
48 °Partly cloudy

Casper Mountain, Tuesday, 3 November

Partly cloudy. High 48°, low 30°.

Pressure30.15 inHg
Wind21.9 mph SW
Humidity53%
Visibility—
Dew point26°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 0439° / 21°0.02Climate normal
39 °Climate normal

Casper Mountain, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high39°
Average low21°
Average precipitation0.02 in
Chance of precipitation13%
Record high60° (1983)
Record low-5° (1967)
Thu, 0539° / 22°0.03Climate normal
39 °Climate normal

Casper Mountain, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high39°
Average low22°
Average precipitation0.03 in
Chance of precipitation20%
Record high59° (1999)
Record low-6° (1961)
Fri, 0639° / 23°0.04Climate normal
39 °Climate normal

Casper Mountain, Friday, 6 November

Climate normal for this date — 60-year average.

Average high39°
Average low23°
Average precipitation0.04 in
Chance of precipitation22%
Record high58° (1999)
Record low-11° (1971)
Sat, 0740° / 22°0.03Climate normal
40 °Climate normal

Casper Mountain, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high40°
Average low22°
Average precipitation0.03 in
Chance of precipitation17%
Record high60° (1999)
Record low-9° (1990)
Sun, 0838° / 22°0.06Climate normal
38 °Climate normal

Casper Mountain, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high38°
Average low22°
Average precipitation0.06 in
Chance of precipitation25%
Record high58° (1999)
Record low-1° (2011)
Mon, 0937° / 20°0.04Climate normal
37 °Climate normal

Casper Mountain, Monday, 9 November

Climate normal for this date — 60-year average.

Average high37°
Average low20°
Average precipitation0.04 in
Chance of precipitation28%
Record high58° (2016)
Record low-6° (1966)
Tue, 1036° / 19°0.05Climate normal
36 °Climate normal

Casper Mountain, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high36°
Average low19°
Average precipitation0.05 in
Chance of precipitation23%
Record high58° (2005)
Record low-18° (1986)
Wed, 1134° / 19°0.04Climate normal
34 °Climate normal

Casper Mountain, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high34°
Average low19°
Average precipitation0.04 in
Chance of precipitation18%
Record high56° (1999)
Record low-10° (2019)
Thu, 1236° / 20°0.04Climate normal
36 °Climate normal

Casper Mountain, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high36°
Average low20°
Average precipitation0.04 in
Chance of precipitation23%
Record high59° (1999)
Record low-14° (2014)
Fri, 1336° / 20°0.05Climate normal
36 °Climate normal

Casper Mountain, Friday, 13 November

Climate normal for this date — 60-year average.

Average high36°
Average low20°
Average precipitation0.05 in
Chance of precipitation27%
Record high58° (1999)
Record low-25° (2014)
Sat, 1435° / 20°0.04Climate normal
35 °Climate normal

Casper Mountain, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high35°
Average low20°
Average precipitation0.04 in
Chance of precipitation27%
Record high58° (1999)
Record low-3° (1978)
Sun, 1534° / 19°0.04Climate normal
34 °Climate normal

Casper Mountain, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high34°
Average low19°
Average precipitation0.04 in
Chance of precipitation13%
Record high59° (1999)
Record low-12° (2014)
Mon, 1635° / 20°0.03Climate normal
35 °Climate normal

Casper Mountain, Monday, 16 November

Climate normal for this date — 60-year average.

Average high35°
Average low20°
Average precipitation0.03 in
Chance of precipitation23%
Record high55° (1999)
Record low-17° (2014)
Tue, 1734° / 19°0.04Climate normal
34 °Climate normal

Casper Mountain, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high34°
Average low19°
Average precipitation0.04 in
Chance of precipitation20%
Record high59° (1999)
Record low-8° (2022)

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 Casper Mountain, WY 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 Casper Mountain, WY 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.