As of 01:13 MDT

Weather in Grant, CO

50°

Grant, Friday, 9 October, 01:13

Clear. Feels like 49°. High 67°, low 42°.

Pressure30.03 inHg

Wind1.7 mph NW

Humidity79%

Visibility6.2 mi

Dew point40°

See detailed hourly forecast

Monthly outlook for Grant, CO: average high 47.2°, average low 28.1°. That is 1° above the climate normal for October. Precipitation is expected on 8 days (about 1.9 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 9 October (66.7°), the coolest 17 October (13.7°).

47.2°/28.1°

Average high / low

+1°

Above normal

8 / 4

Wet days / normal

1.9 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
9 October – 18 October	46.9°	46.3°	+0.3°
19 October – 28 October	47.6°	42.7°	+2.7°
29 October – 7 November	at normal	37.6°	—

October records over 66 years

64.9°1 October 2010All-time high

-20.2°30 October 2023All-time low

Climate normals and records are computed from the nearest reference point — Montezuma (14 mi).

Sat, 1063° / 37°

0.06

63 °

Grant, Saturday, 10 October

Light rain. High 63°, low 37°.

Pressure29.88 inHg

Wind9 mph SW

Humidity45%

Visibility6.2 mi

Dew point29°

Sun, 1151° / 34°

0.02

51 °

Grant, Sunday, 11 October

Light rain. High 51°, low 34°.

Pressure29.88 inHg

Wind7.6 mph SW

Humidity54%

Visibility6.2 mi

Dew point33°

Mon, 1251° / 31°

51 °

Grant, Monday, 12 October

Overcast. High 51°, low 31°.

Pressure29.91 inHg

Wind11.2 mph SW

Humidity55%

Visibility6.2 mi

Dew point28°

Tue, 1349° / 30°

0.06

49 °

Grant, Tuesday, 13 October

Light snow. High 49°, low 30°.

Pressure29.97 inHg

Wind12.8 mph S

Humidity55%

Visibility—

Dew point28°

Wed, 1438° / 29°

0.26

38 °

Grant, Wednesday, 14 October

Snow. High 38°, low 29°.

Pressure29.83 inHg

Wind12 mph W

Humidity74%

Visibility—

Dew point27°

Thu, 1547° / 30°

0.8

47 °

Grant, Thursday, 15 October

Snow. High 47°, low 30°.

Pressure29.85 inHg

Wind8.4 mph W

Humidity41%

Visibility—

Dew point22°

Fri, 1628° / 17°

0.41

28 °

Grant, Friday, 16 October

Snow. High 28°, low 17°.

Pressure30.39 inHg

Wind6.1 mph NE

Humidity85%

Visibility—

Dew point21°

Sat, 1739° / 14°

39 °

Grant, Saturday, 17 October

Overcast. High 39°, low 14°.

Pressure30.33 inHg

Wind5.3 mph NW

Humidity85%

Visibility—

Dew point31°

Sun, 1837° / 23°

0.2

37 °

Grant, Sunday, 18 October

Snow. High 37°, low 23°.

Pressure30.21 inHg

Wind7.3 mph NE

Humidity89%

Visibility—

Dew point32°

Mon, 1939° / 22°

0.04

39 °

Grant, Monday, 19 October

Light snow. High 39°, low 22°.

Pressure30.15 inHg

Wind7.4 mph NW

Humidity85%

Visibility—

Dew point31°

Tue, 2046° / 24°

46 °

Grant, Tuesday, 20 October

Clear. High 46°, low 24°.

Pressure30.15 inHg

Wind9.3 mph NW

Humidity62%

Visibility—

Dew point30°

Wed, 2148° / 27°

48 °

Grant, Wednesday, 21 October

Clear. High 48°, low 27°.

Pressure30.12 inHg

Wind6.5 mph NW

Humidity49%

Visibility—

Dew point27°

Thu, 2248° / 29°

48 °

Grant, Thursday, 22 October

Clear. High 48°, low 29°.

Pressure30.30 inHg

Wind6.1 mph NW

Humidity48%

Visibility—

Dew point25°

Fri, 2353° / 29°

53 °

Grant, Friday, 23 October

Clear. High 53°, low 29°.

Pressure30.18 inHg

Wind7.9 mph NW

Humidity30%

Visibility—

Dew point18°

Sat, 2451° / 33°

51 °

Grant, Saturday, 24 October

Clear. High 51°, low 33°.

Pressure30.18 inHg

Wind8.1 mph NW

Humidity33%

Visibility—

Dew point20°

From day 17 onward the outlook is built from 60-year climate statistics

Sun, 2543° / 19°

0.06

43 °

Grant, Sunday, 25 October

Climate normal for this date — 60-year average.

Average high43°

Average low19°

Average precipitation0.06 in

Chance of precipitation27%

Record high58° (2021)

Record low-15° (1975)

Mon, 2641° / 20°

0.08

41 °

Grant, Monday, 26 October

Climate normal for this date — 60-year average.

Average high41°

Average low20°

Average precipitation0.08 in

Chance of precipitation32%

Record high59° (1977)

Record low-2° (1997)

Tue, 2741° / 19°

0.05

41 °

Grant, Tuesday, 27 October

Climate normal for this date — 60-year average.

Average high41°

Average low19°

Average precipitation0.05 in

Chance of precipitation28%

Record high58° (2016)

Record low-5° (2020)

Wed, 2841° / 19°

0.06

41 °

Grant, Wednesday, 28 October

Climate normal for this date — 60-year average.

Average high41°

Average low19°

Average precipitation0.06 in

Chance of precipitation30%

Record high53° (1999)

Record low-9° (1970)

Thu, 2939° / 17°

0.07

39 °

Grant, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high39°

Average low17°

Average precipitation0.07 in

Chance of precipitation38%

Record high56° (1968)

Record low-7° (1991)

Fri, 3038° / 15°

0.06

38 °

Grant, Friday, 30 October

Climate normal for this date — 60-year average.

Average high38°

Average low15°

Average precipitation0.06 in

Chance of precipitation35%

Record high54° (1962)

Record low-20° (2023)

Sat, 3138° / 15°

0.05

38 °

Grant, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high38°

Average low15°

Average precipitation0.05 in

Chance of precipitation33%

Record high55° (1999)

Record low-12° (2019)

Sun, 0136° / 16°

0.06

36 °

Grant, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high36°

Average low16°

Average precipitation0.06 in

Chance of precipitation35%

Record high51° (1964)

Record low-3° (1979)

Mon, 0237° / 14°

0.06

37 °

Grant, Monday, 2 November

Climate normal for this date — 60-year average.

Average high37°

Average low14°

Average precipitation0.06 in

Chance of precipitation23%

Record high54° (2025)

Record low-9° (2004)

Tue, 0337° / 13°

0.06

37 °

Grant, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high37°

Average low13°

Average precipitation0.06 in

Chance of precipitation25%

Record high56° (2025)

Record low-16° (1991)

Wed, 0438° / 14°

0.03

38 °

Grant, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high38°

Average low14°

Average precipitation0.03 in

Chance of precipitation20%

Record high55° (1983)

Record low-7° (1970)

Thu, 0537° / 14°

0.04

37 °

Grant, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high37°

Average low14°

Average precipitation0.04 in

Chance of precipitation27%

Record high54° (1975)

Record low-4° (1992)

Fri, 0637° / 13°

0.02

37 °

Grant, Friday, 6 November

Climate normal for this date — 60-year average.

Average high37°

Average low13°

Average precipitation0.02 in

Chance of precipitation17%

Record high55° (2020)

Record low-10° (2013)

Sat, 0738° / 13°

0.02

38 °

Grant, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high38°

Average low13°

Average precipitation0.02 in

Chance of precipitation12%

Record high53° (1999)

Record low-9° (2000)

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 Grant, 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 Grant, 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.