Monthly outlook for Fossil, WY: average high 51.7°, average low 35.2°. That is 0.1° below the climate normal for October. Precipitation is expected on 4 days (about 0.5 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 19 October (61.7°), the coolest 21 October (25.7°).
51.7°/35.2°
Average high / low
−0.1°
Below normal
4 / 3
Wet days / normal
0.5 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
12 October – 21 October
51°
53.3°
-1.2°
22 October – 31 October
52.9°
47.6°
+2.9°
1 November – 10 November
at normal
42°
—
October records over 66 years
78.6°4 October 2024All-time high
-16.4°30 October 2019All-time low
Climate normals and records are computed from the nearest reference point — Oakley (11 mi).
Tue, 1348° / 34°0.11
48 °
Fossil, Tuesday, 13 October
Light rain. High 48°, low 34°.
Pressure29.91 inHg
Wind4.3 mph W
Humidity59%
Visibility6.2 mi
Dew point33°
Wed, 1449° / 36°0.05
49 °
Fossil, Wednesday, 14 October
Light rain. High 49°, low 36°.
Pressure30.06 inHg
Wind6.5 mph NW
Humidity77%
Visibility6.2 mi
Dew point37°
Thu, 1550° / 33°0
50 °
Fossil, Thursday, 15 October
Mostly clear. High 50°, low 33°.
Pressure30.47 inHg
Wind11.9 mph E
Humidity59%
Visibility6.2 mi
Dew point35°
Fri, 1651° / 31°0
51 °
Fossil, Friday, 16 October
Clear. High 51°, low 31°.
Pressure30.56 inHg
Wind13.6 mph E
Humidity55%
Visibility—
Dew point28°
Sat, 1759° / 36°0
59 °
Fossil, Saturday, 17 October
Clear. High 59°, low 36°.
Pressure30.21 inHg
Wind11.5 mph W
Humidity44%
Visibility—
Dew point29°
Sun, 1861° / 41°0
61 °
Fossil, Sunday, 18 October
Clear. High 61°, low 41°.
Pressure30.06 inHg
Wind9.6 mph W
Humidity25%
Visibility—
Dew point19°
Mon, 1962° / 41°0.02
62 °
Fossil, Monday, 19 October
Light rain. High 62°, low 41°.
Pressure29.94 inHg
Wind18.1 mph SW
Humidity21%
Visibility—
Dew point16°
Tue, 2043° / 34°0.07
43 °
Fossil, Tuesday, 20 October
Light rain. High 43°, low 34°.
Pressure29.91 inHg
Wind20.3 mph SW
Humidity43%
Visibility—
Dew point20°
Wed, 2137° / 26°0.01
37 °
Fossil, Wednesday, 21 October
Light snow. High 37°, low 26°.
Pressure30.21 inHg
Wind21.9 mph W
Humidity56%
Visibility—
Dew point19°
Thu, 2247° / 27°0
47 °
Fossil, Thursday, 22 October
Clear. High 47°, low 27°.
Pressure30.36 inHg
Wind13.3 mph W
Humidity37%
Visibility—
Dew point16°
Fri, 2360° / 35°0
60 °
Fossil, Friday, 23 October
Clear. High 60°, low 35°.
Pressure30.06 inHg
Wind9 mph SW
Humidity31%
Visibility—
Dew point20°
Sat, 2459° / 44°0
59 °
Fossil, Saturday, 24 October
Overcast. High 59°, low 44°.
Pressure29.68 inHg
Wind21.5 mph W
Humidity20%
Visibility—
Dew point14°
Sun, 2547° / 33°0
47 °
Fossil, Sunday, 25 October
Overcast. High 47°, low 33°.
Pressure29.94 inHg
Wind9.4 mph W
Humidity29%
Visibility—
Dew point12°
Mon, 2652° / 34°0
52 °
Fossil, Monday, 26 October
Overcast. High 52°, low 34°.
Pressure30.03 inHg
Wind8.8 mph W
Humidity29%
Visibility—
Dew point15°
Tue, 2752° / 38°0
52 °
Fossil, Tuesday, 27 October
Clear. High 52°, low 38°.
Pressure29.94 inHg
Wind3 mph S
Humidity35%
Visibility—
Dew point23°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 2847° / 28°0.05
47 °
Fossil, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high47°
Average low28°
Average precipitation0.05 in
Chance of precipitation25%
Record high64° (1990)
Record low2° (1984)
Thu, 2946° / 28°0.06
46 °
Fossil, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high46°
Average low28°
Average precipitation0.06 in
Chance of precipitation30%
Record high64° (1962)
Record low0° (2019)
Fri, 3044° / 26°0.06
44 °
Fossil, Friday, 30 October
Climate normal for this date — 60-year average.
Average high44°
Average low26°
Average precipitation0.06 in
Chance of precipitation30%
Record high64° (1962)
Record low-16° (2019)
Sat, 3143° / 26°0.04
43 °
Fossil, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high43°
Average low26°
Average precipitation0.04 in
Chance of precipitation27%
Record high62° (2014)
Record low-7° (1972)
Sun, 0143° / 25°0.03
43 °
Fossil, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high43°
Average low25°
Average precipitation0.03 in
Chance of precipitation15%
Record high62° (2014)
Record low1° (2004)
Mon, 0243° / 24°0.04
43 °
Fossil, Monday, 2 November
Climate normal for this date — 60-year average.
Average high43°
Average low24°
Average precipitation0.04 in
Chance of precipitation23%
Record high61° (2020)
Record low-4° (1991)
Tue, 0343° / 24°0.03
43 °
Fossil, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high43°
Average low24°
Average precipitation0.03 in
Chance of precipitation17%
Record high62° (2020)
Record low-14° (1991)
Wed, 0443° / 24°0.02
43 °
Fossil, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high43°
Average low24°
Average precipitation0.02 in
Chance of precipitation10%
Record high62° (2020)
Record low-6° (1994)
Thu, 0544° / 26°0.02
44 °
Fossil, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high44°
Average low26°
Average precipitation0.02 in
Chance of precipitation18%
Record high62° (2020)
Record low-2° (1961)
Fri, 0643° / 25°0.02
43 °
Fossil, Friday, 6 November
Climate normal for this date — 60-year average.
Average high43°
Average low25°
Average precipitation0.02 in
Chance of precipitation17%
Record high63° (2020)
Record low-8° (1971)
Sat, 0742° / 25°0.04
42 °
Fossil, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high42°
Average low25°
Average precipitation0.04 in
Chance of precipitation20%
Record high60° (1980)
Record low-5° (1990)
Sun, 0841° / 24°0.05
41 °
Fossil, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high41°
Average low24°
Average precipitation0.05 in
Chance of precipitation30%
Record high58° (1999)
Record low2° (2011)
Mon, 0940° / 22°0.06
40 °
Fossil, Monday, 9 November
Climate normal for this date — 60-year average.
Average high40°
Average low22°
Average precipitation0.06 in
Chance of precipitation33%
Record high57° (2016)
Record low-2° (1960)
Tue, 1039° / 22°0.04
39 °
Fossil, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high39°
Average low22°
Average precipitation0.04 in
Chance of precipitation25%
Record high56° (1999)
Record low-3° (1985)
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 Fossil, 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 Fossil, 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.