Monthly outlook for Durham, WY: average high 61°, average low 41.7°. That is 1.2° above the climate normal for October. Precipitation is expected on 7 days (about 1.1 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 9 October (81.5°), the coolest 17 October (26.5°).
61°/41.7°
Average high / low
+1.2°
Above normal
7 / 3
Wet days / normal
1.1 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
8 October – 17 October
63.1°
59.5°
+2°
18 October – 27 October
57.4°
56.7°
+0.4°
28 October – 6 November
at normal
50.2°
—
October records over 66 years
83.8°2 October 2024All-time high
-3.8°26 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Cheyenne (11 mi).
Fri, 0982° / 49°0
82 °
Durham, Friday, 9 October
Clear. High 82°, low 49°.
Pressure29.80 inHg
Wind8.5 mph SW
Humidity17%
Visibility6.2 mi
Dew point28°
Sat, 1078° / 51°0.01
78 °
Durham, Saturday, 10 October
Light rain. High 78°, low 51°.
Pressure29.65 inHg
Wind10.8 mph SW
Humidity19%
Visibility6.2 mi
Dew point30°
Sun, 1174° / 60°0
74 °
Durham, Sunday, 11 October
Overcast. High 74°, low 60°.
Pressure29.71 inHg
Wind8.5 mph S
Humidity32%
Visibility6.2 mi
Dew point39°
Mon, 1273° / 47°0.08
73 °
Durham, Monday, 12 October
Light rain. High 73°, low 47°.
Pressure29.71 inHg
Wind9.9 mph SW
Humidity24%
Visibility6.2 mi
Dew point34°
Tue, 1354° / 46°0.06
54 °
Durham, Tuesday, 13 October
Light rain. High 54°, low 46°.
Pressure30.00 inHg
Wind12.7 mph N
Humidity75%
Visibility—
Dew point43°
Wed, 1449° / 40°0.1
49 °
Durham, Wednesday, 14 October
Light rain. High 49°, low 40°.
Pressure29.80 inHg
Wind29.4 mph W
Humidity83%
Visibility—
Dew point43°
Thu, 1554° / 35°0.04
54 °
Durham, Thursday, 15 October
Snow. High 54°, low 35°.
Pressure29.91 inHg
Wind29 mph NW
Humidity40%
Visibility—
Dew point29°
Fri, 1635° / 29°0.1
35 °
Durham, Friday, 16 October
Light snow. High 35°, low 29°.
Pressure30.59 inHg
Wind22.3 mph N
Humidity77%
Visibility—
Dew point25°
Sat, 1751° / 27°0
51 °
Durham, Saturday, 17 October
Clear. High 51°, low 27°.
Pressure30.36 inHg
Wind20.6 mph S
Humidity50%
Visibility—
Dew point25°
Sun, 1852° / 39°0.18
52 °
Durham, Sunday, 18 October
Rain. High 52°, low 39°.
Pressure30.27 inHg
Wind19 mph N
Humidity32%
Visibility—
Dew point20°
Mon, 1942° / 34°0.54
42 °
Durham, Monday, 19 October
Snow. High 42°, low 34°.
Pressure30.33 inHg
Wind16 mph SW
Humidity100%
Visibility—
Dew point35°
Tue, 2061° / 37°0
61 °
Durham, Tuesday, 20 October
Clear. High 61°, low 37°.
Pressure30.06 inHg
Wind13 mph SW
Humidity30%
Visibility—
Dew point25°
Wed, 2165° / 44°0
65 °
Durham, Wednesday, 21 October
Clear. High 65°, low 44°.
Pressure30.00 inHg
Wind11 mph N
Humidity24%
Visibility—
Dew point23°
Thu, 2257° / 40°0
57 °
Durham, Thursday, 22 October
Clear. High 57°, low 40°.
Pressure30.30 inHg
Wind12.1 mph N
Humidity36%
Visibility—
Dew point25°
Fri, 2368° / 41°0
68 °
Durham, Friday, 23 October
Clear. High 68°, low 41°.
Pressure30.06 inHg
Wind14.5 mph W
Humidity23%
Visibility—
Dew point21°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 2456° / 34°0.06
56 °
Durham, Saturday, 24 October
Climate normal for this date — 60-year average.
Average high56°
Average low34°
Average precipitation0.06 in
Chance of precipitation17%
Record high74° (2014)
Record low12° (1975)
Sun, 2556° / 34°0.04
56 °
Durham, Sunday, 25 October
Climate normal for this date — 60-year average.
Average high56°
Average low34°
Average precipitation0.04 in
Chance of precipitation15%
Record high74° (2017)
Record low4° (2020)
Mon, 2655° / 34°0.04
55 °
Durham, Monday, 26 October
Climate normal for this date — 60-year average.
Average high55°
Average low34°
Average precipitation0.04 in
Chance of precipitation18%
Record high74° (1977)
Record low-4° (2020)
Tue, 2753° / 33°0.02
53 °
Durham, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high53°
Average low33°
Average precipitation0.02 in
Chance of precipitation17%
Record high74° (2016)
Record low4° (2020)
Wed, 2854° / 33°0.07
54 °
Durham, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high54°
Average low33°
Average precipitation0.07 in
Chance of precipitation27%
Record high72° (2024)
Record low8° (2019)
Thu, 2953° / 32°0.06
53 °
Durham, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high53°
Average low32°
Average precipitation0.06 in
Chance of precipitation25%
Record high74° (1968)
Record low-1° (2019)
Fri, 3049° / 31°0.04
49 °
Durham, Friday, 30 October
Climate normal for this date — 60-year average.
Average high49°
Average low31°
Average precipitation0.04 in
Chance of precipitation22%
Record high71° (1968)
Record low-2° (2019)
Sat, 3149° / 31°0.04
49 °
Durham, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high49°
Average low31°
Average precipitation0.04 in
Chance of precipitation33%
Record high69° (2008)
Record low3° (1991)
Sun, 0149° / 31°0.05
49 °
Durham, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high49°
Average low31°
Average precipitation0.05 in
Chance of precipitation28%
Record high68° (1988)
Record low6° (1991)
Mon, 0249° / 29°0.05
49 °
Durham, Monday, 2 November
Climate normal for this date — 60-year average.
Average high49°
Average low29°
Average precipitation0.05 in
Chance of precipitation22%
Record high70° (2025)
Record low-2° (1991)
Tue, 0349° / 29°0.04
49 °
Durham, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high49°
Average low29°
Average precipitation0.04 in
Chance of precipitation15%
Record high70° (2020)
Record low-2° (1967)
Wed, 0450° / 29°0.02
50 °
Durham, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high50°
Average low29°
Average precipitation0.02 in
Chance of precipitation10%
Record high67° (2020)
Record low2° (1967)
Thu, 0550° / 30°0.02
50 °
Durham, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high50°
Average low30°
Average precipitation0.02 in
Chance of precipitation17%
Record high69° (1975)
Record low-3° (1967)
Fri, 0650° / 31°0.02
50 °
Durham, Friday, 6 November
Climate normal for this date — 60-year average.
Average high50°
Average low31°
Average precipitation0.02 in
Chance of precipitation13%
Record high71° (2010)
Record low11° (1979)
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 Durham, 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 Durham, 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.