Monthly outlook for Spring Valley, WY: average high 50.3°, average low 31.7°. That is 0.1° below the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 22 October (62.1°), the coolest 29 October (23.6°).
50.3°/31.7°
Average high / low
−0.1°
Below normal
2 / 4
Wet days / normal
0.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
16 October – 25 October
53.8°
52.7°
+0.6°
26 October – 4 November
44.3°
45.9°
-0.9°
5 November – 14 November
at normal
41.6°
—
October records over 66 years
79°4 October 2024All-time high
-11.9°30 October 2019All-time low
Climate normals and records are computed from the nearest reference point — Evanston (14 mi).
Sat, 1760° / 34°0
60 °
Spring Valley, Saturday, 17 October
Clear. High 60°, low 34°.
Pressure30.30 inHg
Wind7.7 mph W
Humidity37%
Visibility6.2 mi
Dew point28°
Sun, 1860° / 30°0
60 °
Spring Valley, Sunday, 18 October
Overcast. High 60°, low 30°.
Pressure30.09 inHg
Wind6.2 mph W
Humidity37%
Visibility6.2 mi
Dew point27°
Mon, 1957° / 32°0
57 °
Spring Valley, Monday, 19 October
Clear. High 57°, low 32°.
Pressure30.00 inHg
Wind5.7 mph NE
Humidity49%
Visibility6.2 mi
Dew point34°
Tue, 2058° / 42°0.02
58 °
Spring Valley, Tuesday, 20 October
Light rain. High 58°, low 42°.
Pressure29.91 inHg
Wind8.1 mph W
Humidity53%
Visibility—
Dew point36°
Wed, 2156° / 37°0
56 °
Spring Valley, Wednesday, 21 October
Mostly clear. High 56°, low 37°.
Pressure30.12 inHg
Wind9.9 mph E
Humidity76%
Visibility—
Dew point39°
Thu, 2262° / 42°0.02
62 °
Spring Valley, Thursday, 22 October
Light rain. High 62°, low 42°.
Pressure29.94 inHg
Wind9 mph S
Humidity37%
Visibility—
Dew point31°
Fri, 2349° / 38°0.11
49 °
Spring Valley, Friday, 23 October
Light rain. High 49°, low 38°.
Pressure29.68 inHg
Wind24 mph W
Humidity63%
Visibility—
Dew point36°
Sat, 2440° / 29°0
40 °
Spring Valley, Saturday, 24 October
Overcast. High 40°, low 29°.
Pressure30.03 inHg
Wind18.1 mph SW
Humidity38%
Visibility—
Dew point15°
Sun, 2541° / 24°0
41 °
Spring Valley, Sunday, 25 October
Light snow. High 41°, low 24°.
Pressure30.27 inHg
Wind11 mph W
Humidity55%
Visibility—
Dew point19°
Mon, 2644° / 26°0
44 °
Spring Valley, Monday, 26 October
Overcast. High 44°, low 26°.
Pressure30.06 inHg
Wind19.9 mph W
Humidity23%
Visibility—
Dew point5°
Tue, 2751° / 35°0
51 °
Spring Valley, Tuesday, 27 October
Overcast. High 51°, low 35°.
Pressure29.88 inHg
Wind20.3 mph W
Humidity31%
Visibility—
Dew point17°
Wed, 2842° / 27°0.05
42 °
Spring Valley, Wednesday, 28 October
Light snow. High 42°, low 27°.
Pressure29.68 inHg
Wind26.4 mph W
Humidity71%
Visibility—
Dew point29°
Thu, 2936° / 24°0
36 °
Spring Valley, Thursday, 29 October
Light snow. High 36°, low 24°.
Pressure30.03 inHg
Wind19.2 mph W
Humidity64%
Visibility—
Dew point20°
Fri, 3040° / 26°0
40 °
Spring Valley, Friday, 30 October
Overcast. High 40°, low 26°.
Pressure30.18 inHg
Wind23 mph W
Humidity57%
Visibility—
Dew point22°
Sat, 3153° / 31°0
53 °
Spring Valley, Saturday, 31 October
Overcast. High 53°, low 31°.
Pressure29.94 inHg
Wind22.1 mph W
Humidity25%
Visibility—
Dew point14°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 0144° / 25°0.04
44 °
Spring Valley, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high44°
Average low25°
Average precipitation0.04 in
Chance of precipitation23%
Record high62° (1965)
Record low0° (1972)
Mon, 0244° / 25°0.06
44 °
Spring Valley, Monday, 2 November
Climate normal for this date — 60-year average.
Average high44°
Average low25°
Average precipitation0.06 in
Chance of precipitation23%
Record high63° (2020)
Record low6° (2019)
Tue, 0344° / 24°0.04
44 °
Spring Valley, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high44°
Average low24°
Average precipitation0.04 in
Chance of precipitation15%
Record high62° (2020)
Record low-7° (1991)
Wed, 0445° / 24°0.02
45 °
Spring Valley, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high45°
Average low24°
Average precipitation0.02 in
Chance of precipitation15%
Record high62° (2020)
Record low-5° (1994)
Thu, 0545° / 26°0.04
45 °
Spring Valley, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high45°
Average low26°
Average precipitation0.04 in
Chance of precipitation28%
Record high63° (1980)
Record low-1° (1961)
Fri, 0644° / 26°0.03
44 °
Spring Valley, Friday, 6 November
Climate normal for this date — 60-year average.
Average high44°
Average low26°
Average precipitation0.03 in
Chance of precipitation22%
Record high64° (1999)
Record low-5° (1996)
Sat, 0744° / 25°0.05
44 °
Spring Valley, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high44°
Average low25°
Average precipitation0.05 in
Chance of precipitation20%
Record high64° (1999)
Record low-6° (2003)
Sun, 0842° / 24°0.07
42 °
Spring Valley, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high42°
Average low24°
Average precipitation0.07 in
Chance of precipitation35%
Record high59° (2006)
Record low2° (2000)
Mon, 0942° / 23°0.09
42 °
Spring Valley, Monday, 9 November
Climate normal for this date — 60-year average.
Average high42°
Average low23°
Average precipitation0.09 in
Chance of precipitation38%
Record high60° (2016)
Record low-3° (1966)
Tue, 1040° / 22°0.06
40 °
Spring Valley, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high40°
Average low22°
Average precipitation0.06 in
Chance of precipitation37%
Record high59° (2005)
Record low3° (1985)
Wed, 1140° / 22°0.04
40 °
Spring Valley, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high40°
Average low22°
Average precipitation0.04 in
Chance of precipitation20%
Record high60° (1999)
Record low-6° (2000)
Thu, 1240° / 21°0.07
40 °
Spring Valley, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high40°
Average low21°
Average precipitation0.07 in
Chance of precipitation25%
Record high63° (1999)
Record low-4° (2000)
Fri, 1340° / 22°0.04
40 °
Spring Valley, Friday, 13 November
Climate normal for this date — 60-year average.
Average high40°
Average low22°
Average precipitation0.04 in
Chance of precipitation32%
Record high61° (1999)
Record low-2° (1972)
Sat, 1439° / 21°0.07
39 °
Spring Valley, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high39°
Average low21°
Average precipitation0.07 in
Chance of precipitation25%
Record high61° (1999)
Record low-8° (1978)
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 Spring Valley, 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 Spring Valley, 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.