Monthly outlook for Saint Vrains, CO: average high 64.1°, average low 43.4°. That is 4.6° above the climate normal for October. Precipitation is expected on 4 days (about 0.3 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 28 October (69.3°), the coolest 27 October (36°).
64.1°/43.4°
Average high / low
+4.6°
Above normal
4 / 3
Wet days / normal
0.3 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
24 October – 2 November
63.6°
56.6°
+3.9°
3 November – 12 November
64.8°
53.3°
+6.4°
13 November – 22 November
at normal
49.6°
—
October records over 66 years
88.2°3 October 2025All-time high
-5.3°30 October 1993All-time low
Climate normals and records are computed from the nearest reference point — Thornton (8 mi).
Sun, 2561° / 48°0.12
61 °
Saint Vrains, Sunday, 25 October
Rain. High 61°, low 48°.
Pressure30.15 inHg
Wind3.3 mph NE
Humidity51%
Visibility6.2 mi
Dew point39°
Mon, 2664° / 46°0.06
64 °
Saint Vrains, Monday, 26 October
Light rain. High 64°, low 46°.
Pressure30.06 inHg
Wind2.8 mph SE
Humidity54%
Visibility6.2 mi
Dew point41°
Tue, 2769° / 36°0
69 °
Saint Vrains, Tuesday, 27 October
Clear. High 69°, low 36°.
Pressure29.88 inHg
Wind2.5 mph NW
Humidity34%
Visibility6.2 mi
Dew point34°
Wed, 2869° / 38°0
69 °
Saint Vrains, Wednesday, 28 October
Mostly clear. High 69°, low 38°.
Pressure29.97 inHg
Wind5.8 mph E
Humidity48%
Visibility—
Dew point36°
Thu, 2965° / 40°0
65 °
Saint Vrains, Thursday, 29 October
Mostly clear. High 65°, low 40°.
Pressure30.03 inHg
Wind5.5 mph N
Humidity50%
Visibility—
Dew point37°
Fri, 3066° / 46°0
66 °
Saint Vrains, Friday, 30 October
Overcast. High 66°, low 46°.
Pressure29.83 inHg
Wind6.9 mph NW
Humidity47%
Visibility—
Dew point38°
Sat, 3166° / 47°0.04
66 °
Saint Vrains, Saturday, 31 October
Light rain. High 66°, low 47°.
Pressure29.77 inHg
Wind6.3 mph S
Humidity32%
Visibility—
Dew point30°
Sun, 0157° / 39°0.08
57 °
Saint Vrains, Sunday, 1 November
Light rain. High 57°, low 39°.
Pressure30.00 inHg
Wind26.2 mph NW
Humidity20%
Visibility—
Dew point13°
Mon, 0262° / 39°0
62 °
Saint Vrains, Monday, 2 November
Clear. High 62°, low 39°.
Pressure30.47 inHg
Wind7.9 mph S
Humidity19%
Visibility—
Dew point12°
Tue, 0359° / 41°0
59 °
Saint Vrains, Tuesday, 3 November
Light rain. High 59°, low 41°.
Pressure30.00 inHg
Wind6.3 mph NE
Humidity47%
Visibility—
Dew point35°
Wed, 0466° / 44°0
66 °
Saint Vrains, Wednesday, 4 November
Mostly clear. High 66°, low 44°.
Pressure29.74 inHg
Wind6.7 mph NE
Humidity37%
Visibility—
Dew point32°
Thu, 0568° / 47°0
68 °
Saint Vrains, Thursday, 5 November
Partly cloudy. High 68°, low 47°.
Pressure29.80 inHg
Wind9.8 mph SE
Humidity31%
Visibility—
Dew point30°
Fri, 0669° / 48°0
69 °
Saint Vrains, Friday, 6 November
Overcast. High 69°, low 48°.
Pressure29.65 inHg
Wind18.4 mph W
Humidity20%
Visibility—
Dew point22°
Sat, 0764° / 47°0
64 °
Saint Vrains, Saturday, 7 November
Clear. High 64°, low 47°.
Pressure30.03 inHg
Wind9.7 mph W
Humidity21%
Visibility—
Dew point20°
Sun, 0863° / 41°0
63 °
Saint Vrains, Sunday, 8 November
Clear. High 63°, low 41°.
Pressure30.12 inHg
Wind5.2 mph NW
Humidity28%
Visibility—
Dew point21°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 0953° / 28°0.06
53 °
Saint Vrains, Monday, 9 November
Climate normal for this date — 60-year average.
Average high53°
Average low28°
Average precipitation0.06 in
Chance of precipitation23%
Record high70° (2016)
Record low11° (1986)
Tue, 1052° / 26°0.03
52 °
Saint Vrains, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high52°
Average low26°
Average precipitation0.03 in
Chance of precipitation22%
Record high72° (2025)
Record low8° (1986)
Wed, 1150° / 27°0.04
50 °
Saint Vrains, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high50°
Average low27°
Average precipitation0.04 in
Chance of precipitation18%
Record high70° (2025)
Record low7° (1998)
Thu, 1251° / 26°0.04
51 °
Saint Vrains, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high51°
Average low26°
Average precipitation0.04 in
Chance of precipitation23%
Record high72° (1989)
Record low-1° (1975)
Fri, 1352° / 27°0.04
52 °
Saint Vrains, Friday, 13 November
Climate normal for this date — 60-year average.
Average high52°
Average low27°
Average precipitation0.04 in
Chance of precipitation17%
Record high73° (2025)
Record low-5° (2000)
Sat, 1450° / 26°0.06
50 °
Saint Vrains, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high50°
Average low26°
Average precipitation0.06 in
Chance of precipitation22%
Record high74° (2025)
Record low-1° (2000)
Sun, 1550° / 25°0.04
50 °
Saint Vrains, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high50°
Average low25°
Average precipitation0.04 in
Chance of precipitation17%
Record high73° (2016)
Record low-9° (1997)
Mon, 1652° / 25°0.02
52 °
Saint Vrains, Monday, 16 November
Climate normal for this date — 60-year average.
Average high52°
Average low25°
Average precipitation0.02 in
Chance of precipitation12%
Record high76° (2016)
Record low-7° (2014)
Tue, 1750° / 24°0.04
50 °
Saint Vrains, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high50°
Average low24°
Average precipitation0.04 in
Chance of precipitation17%
Record high73° (1981)
Record low-3° (2014)
Wed, 1849° / 24°0.03
49 °
Saint Vrains, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high49°
Average low24°
Average precipitation0.03 in
Chance of precipitation12%
Record high73° (2008)
Record low-1° (2000)
Thu, 1949° / 24°0.04
49 °
Saint Vrains, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high49°
Average low24°
Average precipitation0.04 in
Chance of precipitation20%
Record high73° (2007)
Record low4° (1961)
Fri, 2049° / 24°0.06
49 °
Saint Vrains, Friday, 20 November
Climate normal for this date — 60-year average.
Average high49°
Average low24°
Average precipitation0.06 in
Chance of precipitation17%
Record high66° (2003)
Record low-4° (1975)
Sat, 2147° / 23°0.04
47 °
Saint Vrains, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high47°
Average low23°
Average precipitation0.04 in
Chance of precipitation22%
Record high66° (2012)
Record low-3° (1975)
Sun, 2248° / 23°0.04
48 °
Saint Vrains, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high48°
Average low23°
Average precipitation0.04 in
Chance of precipitation20%
Record high67° (2002)
Record low-5° (1975)
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 Saint Vrains, 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 Saint Vrains, 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.