Monthly outlook for Boulder Flats, WY: average high 55.7°, average low 38.5°. That is 2.5° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 21 October (67°), the coolest 27 October (27°).
55.7°/38.5°
Average high / low
+2.5°
Above normal
1 / 3
Wet days / normal
0.1 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
20 October – 29 October
55°
53.7°
+0.7°
30 October – 8 November
56.8°
47.1°
+5.4°
9 November – 18 November
at normal
43°
—
October records over 66 years
82.8°4 October 2024All-time high
-9.9°26 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Lander (6 mi).
Wed, 2167° / 44°0
67 °
Boulder Flats, Wednesday, 21 October
Clear. High 67°, low 44°.
Pressure30.15 inHg
Wind1.2 mph N
Humidity47%
Visibility6.2 mi
Dew point36°
Thu, 2265° / 44°0
65 °
Boulder Flats, Thursday, 22 October
Overcast. High 65°, low 44°.
Pressure30.00 inHg
Wind3.2 mph NE
Humidity52%
Visibility6.2 mi
Dew point42°
Fri, 2365° / 46°0.01
65 °
Boulder Flats, Friday, 23 October
Light rain. High 65°, low 46°.
Pressure29.74 inHg
Wind2.3 mph SE
Humidity43%
Visibility6.2 mi
Dew point40°
Sat, 2447° / 38°0.08
47 °
Boulder Flats, Saturday, 24 October
Light rain. High 47°, low 38°.
Pressure30.42 inHg
Wind3.7 mph SE
Humidity63%
Visibility6.2 mi
Dew point31°
Sun, 2554° / 31°0
54 °
Boulder Flats, Sunday, 25 October
Partly cloudy. High 54°, low 31°.
Pressure30.21 inHg
Wind3.4 mph E
Humidity57%
Visibility—
Dew point31°
Mon, 2639° / 29°0
39 °
Boulder Flats, Monday, 26 October
Overcast. High 39°, low 29°.
Pressure30.50 inHg
Wind8 mph NE
Humidity67%
Visibility—
Dew point24°
Tue, 2747° / 27°0
47 °
Boulder Flats, Tuesday, 27 October
Clear. High 47°, low 27°.
Pressure30.42 inHg
Wind5.3 mph E
Humidity41%
Visibility—
Dew point17°
Wed, 2852° / 34°0
52 °
Boulder Flats, Wednesday, 28 October
Clear. High 52°, low 34°.
Pressure30.21 inHg
Wind6.1 mph NE
Humidity29%
Visibility—
Dew point16°
Thu, 2949° / 34°0
49 °
Boulder Flats, Thursday, 29 October
Overcast. High 49°, low 34°.
Pressure30.18 inHg
Wind5.2 mph NW
Humidity30%
Visibility—
Dew point15°
Fri, 3055° / 37°0
55 °
Boulder Flats, Friday, 30 October
Overcast. High 55°, low 37°.
Pressure30.06 inHg
Wind3.6 mph E
Humidity34%
Visibility—
Dew point21°
Sat, 3158° / 45°0
58 °
Boulder Flats, Saturday, 31 October
Overcast. High 58°, low 45°.
Pressure30.03 inHg
Wind4.6 mph SE
Humidity42%
Visibility—
Dew point31°
Sun, 0161° / 41°0
61 °
Boulder Flats, Sunday, 1 November
Overcast. High 61°, low 41°.
Pressure29.94 inHg
Wind8 mph SW
Humidity38%
Visibility—
Dew point28°
Mon, 0259° / 44°0
59 °
Boulder Flats, Monday, 2 November
Overcast. High 59°, low 44°.
Pressure29.80 inHg
Wind6.1 mph W
Humidity43%
Visibility—
Dew point32°
Tue, 0357° / 41°0
57 °
Boulder Flats, Tuesday, 3 November
Overcast. High 57°, low 41°.
Pressure29.94 inHg
Wind6 mph NW
Humidity34%
Visibility—
Dew point24°
Wed, 0452° / 39°0
52 °
Boulder Flats, Wednesday, 4 November
Light rain. High 52°, low 39°.
Pressure30.06 inHg
Wind6 mph E
Humidity37%
Visibility—
Dew point22°
From day 17 onward the outlook is built from 60-year climate statistics
Thu, 0547° / 25°0.04
47 °
Boulder Flats, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high47°
Average low25°
Average precipitation0.04 in
Chance of precipitation22%
Record high66° (2010)
Record low-3° (1967)
Fri, 0647° / 24°0.05
47 °
Boulder Flats, Friday, 6 November
Climate normal for this date — 60-year average.
Average high47°
Average low24°
Average precipitation0.05 in
Chance of precipitation17%
Record high68° (2010)
Record low0° (1967)
Sat, 0747° / 24°0.04
47 °
Boulder Flats, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high47°
Average low24°
Average precipitation0.04 in
Chance of precipitation23%
Record high65° (1999)
Record low-3° (2003)
Sun, 0846° / 24°0.07
46 °
Boulder Flats, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high46°
Average low24°
Average precipitation0.07 in
Chance of precipitation27%
Record high64° (1999)
Record low-2° (2003)
Mon, 0944° / 23°0.05
44 °
Boulder Flats, Monday, 9 November
Climate normal for this date — 60-year average.
Average high44°
Average low23°
Average precipitation0.05 in
Chance of precipitation27%
Record high64° (2016)
Record low2° (2011)
Tue, 1044° / 21°0.05
44 °
Boulder Flats, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high44°
Average low21°
Average precipitation0.05 in
Chance of precipitation25%
Record high62° (2005)
Record low-6° (1986)
Wed, 1143° / 21°0.04
43 °
Boulder Flats, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high43°
Average low21°
Average precipitation0.04 in
Chance of precipitation20%
Record high61° (1999)
Record low-3° (2000)
Thu, 1243° / 21°0.04
43 °
Boulder Flats, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high43°
Average low21°
Average precipitation0.04 in
Chance of precipitation23%
Record high65° (1999)
Record low-10° (2014)
Fri, 1343° / 22°0.04
43 °
Boulder Flats, Friday, 13 November
Climate normal for this date — 60-year average.
Average high43°
Average low22°
Average precipitation0.04 in
Chance of precipitation18%
Record high63° (1999)
Record low-18° (2014)
Sat, 1443° / 21°0.06
43 °
Boulder Flats, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high43°
Average low21°
Average precipitation0.06 in
Chance of precipitation28%
Record high63° (2016)
Record low-6° (2000)
Sun, 1543° / 19°0.03
43 °
Boulder Flats, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high43°
Average low19°
Average precipitation0.03 in
Chance of precipitation8%
Record high65° (2016)
Record low-13° (1997)
Mon, 1644° / 21°0.03
44 °
Boulder Flats, Monday, 16 November
Climate normal for this date — 60-year average.
Average high44°
Average low21°
Average precipitation0.03 in
Chance of precipitation13%
Record high60° (1999)
Record low-9° (2014)
Tue, 1742° / 20°0.06
42 °
Boulder Flats, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high42°
Average low20°
Average precipitation0.06 in
Chance of precipitation25%
Record high63° (1999)
Record low-7° (2014)
Wed, 1842° / 20°0.06
42 °
Boulder Flats, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high42°
Average low20°
Average precipitation0.06 in
Chance of precipitation25%
Record high61° (2008)
Record low-1° (1969)
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 Boulder Flats, 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 Boulder Flats, 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.