As of 00:21 MDT

Weather in Shamrock, CO

50°Current weather

Shamrock, Sunday, 18 October, 00:21

Clear. Feels like 45°. High 76°, low 41°.

Pressure30.09 inHg
Wind11.1 mph SW
Humidity45%
Visibility6.2 mi
Dew point29°

Monthly outlook for Shamrock, CO: average high 66.7°, average low 45°. That is 3.6° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 22 October (78.3°), the coolest 25 October (34.8°).

66.7°/45°
Average high / low
+3.6°
Above normal
0 / 3
Wet days / normal
0.0 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
18 October – 27 October67.7°62.5°+2.9°
28 October – 6 November65.1°56°+5°
7 November – 16 Novemberat normal53.8°—

October records over 66 years

86.4°3 October 2025All-time high
-1.3°27 October 2020All-time low

Climate normals and records are computed from the nearest reference point — Cabin Creek (15 mi).

Mon, 1965° / 44°0Clear
65 °Clear

Shamrock, Monday, 19 October

Clear. High 65°, low 44°.

Pressure30.15 inHg
Wind1.7 mph NE
Humidity47%
Visibility6.2 mi
Dew point39°
Tue, 2071° / 46°0Clear
71 °Clear

Shamrock, Tuesday, 20 October

Clear. High 71°, low 46°.

Pressure30.03 inHg
Wind3.9 mph NW
Humidity40%
Visibility6.2 mi
Dew point41°
Wed, 2175° / 47°0Clear
75 °Clear

Shamrock, Wednesday, 21 October

Clear. High 75°, low 47°.

Pressure30.12 inHg
Wind1.5 mph E
Humidity31%
Visibility6.2 mi
Dew point39°
Thu, 2278° / 56°0Overcast
78 °Overcast

Shamrock, Thursday, 22 October

Overcast. High 78°, low 56°.

Pressure29.97 inHg
Wind11.6 mph S
Humidity46%
Visibility—
Dew point48°
Fri, 2377° / 61°0Mostly clear
77 °Mostly clear

Shamrock, Friday, 23 October

Mostly clear. High 77°, low 61°.

Pressure29.62 inHg
Wind24 mph S
Humidity32%
Visibility—
Dew point42°
Sat, 2450° / 42°0Partly cloudy
50 °Partly cloudy

Shamrock, Saturday, 24 October

Partly cloudy. High 50°, low 42°.

Pressure30.36 inHg
Wind16.4 mph N
Humidity49%
Visibility—
Dew point28°
Sun, 2553° / 35°0Overcast
53 °Overcast

Shamrock, Sunday, 25 October

Overcast. High 53°, low 35°.

Pressure30.47 inHg
Wind14.2 mph S
Humidity43%
Visibility—
Dew point25°
Mon, 2663° / 40°0Partly cloudy
63 °Partly cloudy

Shamrock, Monday, 26 October

Partly cloudy. High 63°, low 40°.

Pressure30.03 inHg
Wind17.9 mph S
Humidity36%
Visibility—
Dew point29°
Tue, 2768° / 46°0Clear
68 °Clear

Shamrock, Tuesday, 27 October

Clear. High 68°, low 46°.

Pressure29.83 inHg
Wind7.9 mph NE
Humidity24%
Visibility—
Dew point25°
Wed, 2872° / 49°0.01Light rain
72 °Light rain

Shamrock, Wednesday, 28 October

Light rain. High 72°, low 49°.

Pressure29.62 inHg
Wind16.1 mph NW
Humidity21%
Visibility—
Dew point26°
Thu, 2963° / 45°0Clear
63 °Clear

Shamrock, Thursday, 29 October

Clear. High 63°, low 45°.

Pressure29.88 inHg
Wind10.3 mph S
Humidity25%
Visibility—
Dew point22°
Fri, 3066° / 44°0Clear
66 °Clear

Shamrock, Friday, 30 October

Clear. High 66°, low 44°.

Pressure29.77 inHg
Wind21.1 mph S
Humidity23%
Visibility—
Dew point22°
Sat, 3158° / 42°0Overcast
58 °Overcast

Shamrock, Saturday, 31 October

Overcast. High 58°, low 42°.

Pressure29.59 inHg
Wind26.2 mph NW
Humidity30%
Visibility—
Dew point25°
Sun, 0172° / 40°0Mostly clear
72 °Mostly clear

Shamrock, Sunday, 1 November

Mostly clear. High 72°, low 40°.

Pressure29.85 inHg
Wind20.4 mph S
Humidity18%
Visibility—
Dew point16°
Mon, 0259° / 43°0Overcast
59 °Overcast

Shamrock, Monday, 2 November

Overcast. High 59°, low 43°.

Pressure29.77 inHg
Wind9 mph NW
Humidity31%
Visibility—
Dew point26°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 0354° / 32°0.03Climate normal
54 °Climate normal

Shamrock, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high54°
Average low32°
Average precipitation0.03 in
Chance of precipitation18%
Record high74° (2015)
Record low-10° (1991)
Wed, 0455° / 32°0.01Climate normal
55 °Climate normal

Shamrock, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high55°
Average low32°
Average precipitation0.01 in
Chance of precipitation7%
Record high74° (1999)
Record low9° (1991)
Thu, 0556° / 33°0.02Climate normal
56 °Climate normal

Shamrock, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high56°
Average low33°
Average precipitation0.02 in
Chance of precipitation18%
Record high75° (2023)
Record low6° (1967)
Fri, 0657° / 34°0.02Climate normal
57 °Climate normal

Shamrock, Friday, 6 November

Climate normal for this date — 60-year average.

Average high57°
Average low34°
Average precipitation0.02 in
Chance of precipitation7%
Record high80° (2020)
Record low17° (2002)
Sat, 0758° / 35°0.02Climate normal
58 °Climate normal

Shamrock, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high58°
Average low35°
Average precipitation0.02 in
Chance of precipitation13%
Record high77° (1999)
Record low15° (1990)
Sun, 0857° / 34°0.05Climate normal
57 °Climate normal

Shamrock, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high57°
Average low34°
Average precipitation0.05 in
Chance of precipitation20%
Record high75° (2006)
Record low16° (2018)
Mon, 0954° / 32°0.05Climate normal
54 °Climate normal

Shamrock, Monday, 9 November

Climate normal for this date — 60-year average.

Average high54°
Average low32°
Average precipitation0.05 in
Chance of precipitation18%
Record high72° (2014)
Record low11° (1960)
Tue, 1054° / 30°0.03Climate normal
54 °Climate normal

Shamrock, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high54°
Average low30°
Average precipitation0.03 in
Chance of precipitation17%
Record high71° (1999)
Record low10° (1986)
Wed, 1152° / 29°0.03Climate normal
52 °Climate normal

Shamrock, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high52°
Average low29°
Average precipitation0.03 in
Chance of precipitation18%
Record high72° (2005)
Record low14° (2014)
Thu, 1253° / 30°0.04Climate normal
53 °Climate normal

Shamrock, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high53°
Average low30°
Average precipitation0.04 in
Chance of precipitation23%
Record high75° (1989)
Record low4° (2000)
Fri, 1353° / 31°0.03Climate normal
53 °Climate normal

Shamrock, Friday, 13 November

Climate normal for this date — 60-year average.

Average high53°
Average low31°
Average precipitation0.03 in
Chance of precipitation13%
Record high72° (2025)
Record low3° (2000)
Sat, 1452° / 30°0.04Climate normal
52 °Climate normal

Shamrock, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high52°
Average low30°
Average precipitation0.04 in
Chance of precipitation22%
Record high76° (2025)
Record low5° (2000)
Sun, 1551° / 28°0.04Climate normal
51 °Climate normal

Shamrock, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high51°
Average low28°
Average precipitation0.04 in
Chance of precipitation17%
Record high74° (2016)
Record low-5° (1997)
Mon, 1653° / 30°0.03Climate normal
53 °Climate normal

Shamrock, Monday, 16 November

Climate normal for this date — 60-year average.

Average high53°
Average low30°
Average precipitation0.03 in
Chance of precipitation10%
Record high78° (2016)
Record low1° (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 Shamrock, 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 Shamrock, 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.