Monthly outlook for May Valley, CO: average high 70.6°, average low 48.5°. That is 2.9° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 2 days and 0.6 inches. The warmest day looks like 22 October (80.6°), the coolest 17 October (34.6°).
70.6°/48.5°
Average high / low
+2.9°
Above normal
1 / 2
Wet days / normal
0.1 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
17 October – 26 October
72.7°
67.5°
+2.8°
27 October – 5 November
67.1°
60.6°
+3.6°
6 November – 15 November
at normal
58.4°
—
October records over 66 years
94.8°5 October 2024All-time high
9.5°27 October 2020All-time low
Sun, 1872° / 36°0
72 °
May Valley, Sunday, 18 October
Overcast. High 72°, low 36°.
Pressure30.03 inHg
Wind3.5 mph S
Humidity40%
Visibility6.2 mi
Dew point38°
Mon, 1967° / 42°0
67 °
May Valley, Monday, 19 October
Clear. High 67°, low 42°.
Pressure30.06 inHg
Wind5.6 mph NE
Humidity44%
Visibility6.2 mi
Dew point41°
Tue, 2073° / 47°0
73 °
May Valley, Tuesday, 20 October
Clear. High 73°, low 47°.
Pressure30.03 inHg
Wind4 mph S
Humidity56%
Visibility6.2 mi
Dew point50°
Wed, 2176° / 51°0
76 °
May Valley, Wednesday, 21 October
Partly cloudy. High 76°, low 51°.
Pressure30.12 inHg
Wind6.4 mph E
Humidity53%
Visibility—
Dew point50°
Thu, 2281° / 56°0
81 °
May Valley, Thursday, 22 October
Overcast. High 81°, low 56°.
Pressure30.03 inHg
Wind13.7 mph SE
Humidity54%
Visibility—
Dew point53°
Fri, 2378° / 63°0.09
78 °
May Valley, Friday, 23 October
Light rain. High 78°, low 63°.
Pressure29.71 inHg
Wind29.4 mph S
Humidity50%
Visibility—
Dew point53°
Sat, 2471° / 52°0
71 °
May Valley, Saturday, 24 October
Clear. High 71°, low 52°.
Pressure29.88 inHg
Wind17.5 mph SW
Humidity25%
Visibility—
Dew point29°
Sun, 2567° / 47°0
67 °
May Valley, Sunday, 25 October
Clear. High 67°, low 47°.
Pressure30.06 inHg
Wind17.1 mph SE
Humidity43%
Visibility—
Dew point38°
Mon, 2672° / 55°0
72 °
May Valley, Monday, 26 October
Overcast. High 72°, low 55°.
Pressure29.74 inHg
Wind21.5 mph SW
Humidity47%
Visibility—
Dew point48°
Tue, 2778° / 51°0
78 °
May Valley, Tuesday, 27 October
Mostly clear. High 78°, low 51°.
Pressure29.77 inHg
Wind18.5 mph SW
Humidity34%
Visibility—
Dew point37°
Wed, 2868° / 53°0
68 °
May Valley, Wednesday, 28 October
Overcast. High 68°, low 53°.
Pressure29.94 inHg
Wind15.7 mph N
Humidity28%
Visibility—
Dew point30°
Thu, 2973° / 51°0
73 °
May Valley, Thursday, 29 October
Overcast. High 73°, low 51°.
Pressure29.80 inHg
Wind20 mph S
Humidity36%
Visibility—
Dew point35°
Fri, 3064° / 50°0
64 °
May Valley, Friday, 30 October
Clear. High 64°, low 50°.
Pressure29.32 inHg
Wind37.5 mph W
Humidity23%
Visibility—
Dew point24°
Sat, 3156° / 39°0
56 °
May Valley, Saturday, 31 October
Overcast. High 56°, low 39°.
Pressure29.97 inHg
Wind17.1 mph W
Humidity19%
Visibility—
Dew point8°
Sun, 0165° / 47°0
65 °
May Valley, Sunday, 1 November
Overcast. High 65°, low 47°.
Pressure29.83 inHg
Wind14.6 mph SE
Humidity26%
Visibility—
Dew point24°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 0258° / 36°0.03
58 °
May Valley, Monday, 2 November
Climate normal for this date — 60-year average.
Average high58°
Average low36°
Average precipitation0.03 in
Chance of precipitation18%
Record high80° (2025)
Record low4° (1991)
Tue, 0358° / 35°0.03
58 °
May Valley, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high58°
Average low35°
Average precipitation0.03 in
Chance of precipitation7%
Record high77° (2015)
Record low-5° (1991)
Wed, 0460° / 35°0.01
60 °
May Valley, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high60°
Average low35°
Average precipitation0.01 in
Chance of precipitation10%
Record high82° (2020)
Record low8° (1991)
Thu, 0560° / 36°0
60 °
May Valley, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high60°
Average low36°
Average precipitation0 in
Chance of precipitation3%
Record high76° (1985)
Record low16° (1991)
Fri, 0661° / 36°0.01
61 °
May Valley, Friday, 6 November
Climate normal for this date — 60-year average.
Average high61°
Average low36°
Average precipitation0.01 in
Chance of precipitation5%
Record high83° (2020)
Record low21° (1993)
Sat, 0762° / 37°0.03
62 °
May Valley, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high62°
Average low37°
Average precipitation0.03 in
Chance of precipitation8%
Record high81° (2023)
Record low23° (1993)
Sun, 0861° / 38°0.05
61 °
May Valley, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high61°
Average low38°
Average precipitation0.05 in
Chance of precipitation18%
Record high81° (1980)
Record low23° (1991)
Mon, 0959° / 36°0.02
59 °
May Valley, Monday, 9 November
Climate normal for this date — 60-year average.
Average high59°
Average low36°
Average precipitation0.02 in
Chance of precipitation8%
Record high76° (2022)
Record low23° (1986)
Tue, 1058° / 34°0.02
58 °
May Valley, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high58°
Average low34°
Average precipitation0.02 in
Chance of precipitation7%
Record high75° (1980)
Record low22° (1986)
Wed, 1157° / 33°0.02
57 °
May Valley, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high57°
Average low33°
Average precipitation0.02 in
Chance of precipitation17%
Record high76° (2005)
Record low19° (1986)
Thu, 1256° / 33°0.02
56 °
May Valley, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high56°
Average low33°
Average precipitation0.02 in
Chance of precipitation10%
Record high77° (1980)
Record low15° (2014)
Fri, 1358° / 33°0.02
58 °
May Valley, Friday, 13 November
Climate normal for this date — 60-year average.
Average high58°
Average low33°
Average precipitation0.02 in
Chance of precipitation8%
Record high76° (1999)
Record low11° (2014)
Sat, 1456° / 33°0.04
56 °
May Valley, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high56°
Average low33°
Average precipitation0.04 in
Chance of precipitation17%
Record high77° (2025)
Record low16° (2014)
Sun, 1556° / 32°0.02
56 °
May Valley, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high56°
Average low32°
Average precipitation0.02 in
Chance of precipitation13%
Record high78° (2016)
Record low16° (1997)
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 May Valley, CO 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 May Valley, CO 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.