Monthly outlook for Alta, WY: average high 53.1°, average low 38.9°. That is 0.4° above the climate normal for October. Precipitation is expected on 8 days (about 1.9 inches), against a normal of 5 days and 1.3 inches. The warmest day looks like 9 October (74.4°), the coolest 16 October (34.3°).
53.1°/38.9°
Average high / low
+0.4°
Above normal
8 / 5
Wet days / normal
1.9 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 October – 18 October
54.2°
53.3°
+0.5°
19 October – 28 October
51.4°
49.3°
+1.2°
29 October – 7 November
at normal
42.3°
—
October records over 66 years
79.7°3 October 2010All-time high
-9.8°30 October 2019All-time low
Climate normals and records are computed from the nearest reference point — Victor (12 mi).
Sat, 1063° / 45°0.14
63 °
Alta, Saturday, 10 October
Light rain. High 63°, low 45°.
Pressure29.65 inHg
Wind13.8 mph S
Humidity58%
Visibility6.2 mi
Dew point40°
Sun, 1147° / 42°0.66
47 °
Alta, Sunday, 11 October
Rain. High 47°, low 42°.
Pressure29.68 inHg
Wind5 mph S
Humidity94%
Visibility2.2 mi
Dew point45°
Mon, 1248° / 36°0.48
48 °
Alta, Monday, 12 October
Rain. High 48°, low 36°.
Pressure29.85 inHg
Wind2.1 mph SW
Humidity87%
Visibility6.2 mi
Dew point37°
Tue, 1342° / 36°0.11
42 °
Alta, Tuesday, 13 October
Light rain. High 42°, low 36°.
Pressure29.91 inHg
Wind6.2 mph NW
Humidity90%
Visibility—
Dew point38°
Wed, 1446° / 35°0.02
46 °
Alta, Wednesday, 14 October
Light rain. High 46°, low 35°.
Pressure30.18 inHg
Wind7 mph W
Humidity68%
Visibility—
Dew point30°
Thu, 1547° / 35°0
47 °
Alta, Thursday, 15 October
Clear. High 47°, low 35°.
Pressure30.24 inHg
Wind14.9 mph NW
Humidity45%
Visibility—
Dew point24°
Fri, 1655° / 34°0
55 °
Alta, Friday, 16 October
Clear. High 55°, low 34°.
Pressure30.42 inHg
Wind5.5 mph W
Humidity34%
Visibility—
Dew point21°
Sat, 1759° / 40°0
59 °
Alta, Saturday, 17 October
Overcast. High 59°, low 40°.
Pressure30.27 inHg
Wind6.2 mph W
Humidity21%
Visibility—
Dew point15°
Sun, 1860° / 43°0
60 °
Alta, Sunday, 18 October
Clear. High 60°, low 43°.
Pressure30.09 inHg
Wind8.1 mph SW
Humidity25%
Visibility—
Dew point20°
Mon, 1962° / 44°0
62 °
Alta, Monday, 19 October
Clear. High 62°, low 44°.
Pressure29.94 inHg
Wind14.3 mph SW
Humidity23%
Visibility—
Dew point20°
Tue, 2057° / 42°0.01
57 °
Alta, Tuesday, 20 October
Light rain. High 57°, low 42°.
Pressure29.85 inHg
Wind12.1 mph W
Humidity33%
Visibility—
Dew point27°
Wed, 2141° / 36°0.24
41 °
Alta, Wednesday, 21 October
Snow. High 41°, low 36°.
Pressure30.09 inHg
Wind5.8 mph E
Humidity100%
Visibility—
Dew point39°
Thu, 2250° / 37°0.09
50 °
Alta, Thursday, 22 October
Light rain. High 50°, low 37°.
Pressure30.00 inHg
Wind6.9 mph SE
Humidity62%
Visibility—
Dew point35°
Fri, 2349° / 39°0.1
49 °
Alta, Friday, 23 October
Snow. High 49°, low 39°.
Pressure29.94 inHg
Wind6.8 mph W
Humidity60%
Visibility—
Dew point33°
Sat, 2449° / 37°0.06
49 °
Alta, Saturday, 24 October
Light snow. High 49°, low 37°.
Pressure30.00 inHg
Wind5.8 mph SW
Humidity52%
Visibility—
Dew point28°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 2549° / 29°0.09
49 °
Alta, Sunday, 25 October
Climate normal for this date — 60-year average.
Average high49°
Average low29°
Average precipitation0.09 in
Chance of precipitation32%
Record high66° (2014)
Record low0° (2020)
Mon, 2647° / 29°0.12
47 °
Alta, Monday, 26 October
Climate normal for this date — 60-year average.
Average high47°
Average low29°
Average precipitation0.12 in
Chance of precipitation42%
Record high65° (1999)
Record low-8° (2020)
Tue, 2747° / 28°0.06
47 °
Alta, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high47°
Average low28°
Average precipitation0.06 in
Chance of precipitation30%
Record high63° (1977)
Record low-2° (2019)
Wed, 2846° / 28°0.1
46 °
Alta, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high46°
Average low28°
Average precipitation0.1 in
Chance of precipitation35%
Record high62° (2008)
Record low-4° (2019)
Thu, 2944° / 26°0.09
44 °
Alta, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high44°
Average low26°
Average precipitation0.09 in
Chance of precipitation33%
Record high65° (1962)
Record low-5° (1971)
Fri, 3043° / 26°0.11
43 °
Alta, Friday, 30 October
Climate normal for this date — 60-year average.
Average high43°
Average low26°
Average precipitation0.11 in
Chance of precipitation45%
Record high66° (1962)
Record low-10° (2019)
Sat, 3143° / 26°0.09
43 °
Alta, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high43°
Average low26°
Average precipitation0.09 in
Chance of precipitation38%
Record high62° (2014)
Record low-1° (1972)
Sun, 0142° / 25°0.08
42 °
Alta, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high42°
Average low25°
Average precipitation0.08 in
Chance of precipitation40%
Record high61° (1988)
Record low-3° (2002)
Mon, 0242° / 24°0.09
42 °
Alta, Monday, 2 November
Climate normal for this date — 60-year average.
Average high42°
Average low24°
Average precipitation0.09 in
Chance of precipitation42%
Record high59° (1978)
Record low-5° (1991)
Tue, 0342° / 24°0.06
42 °
Alta, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high42°
Average low24°
Average precipitation0.06 in
Chance of precipitation27%
Record high61° (1962)
Record low-6° (1991)
Wed, 0443° / 24°0.09
43 °
Alta, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high43°
Average low24°
Average precipitation0.09 in
Chance of precipitation33%
Record high57° (1965)
Record low2° (1994)
Thu, 0542° / 25°0.11
42 °
Alta, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high42°
Average low25°
Average precipitation0.11 in
Chance of precipitation42%
Record high60° (1987)
Record low2° (2003)
Fri, 0642° / 25°0.12
42 °
Alta, Friday, 6 November
Climate normal for this date — 60-year average.
Average high42°
Average low25°
Average precipitation0.12 in
Chance of precipitation47%
Record high62° (1999)
Record low-2° (2003)
Sat, 0741° / 24°0.13
41 °
Alta, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high41°
Average low24°
Average precipitation0.13 in
Chance of precipitation52%
Record high62° (1999)
Record low-2° (2003)
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 Alta, 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 Alta, 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.