As of 09:21 MDT

Weather in Grimes Pass, ID

36°

Grimes Pass, Tuesday, 27 October, 09:21

Overcast. Feels like 36°. High 47°, low 35°.

Pressure30.06 inHg

Wind2.8 mph NE

Humidity89%

Visibility2.5 mi

Dew point34°

See detailed hourly forecast

Monthly outlook for Grimes Pass, ID: average high 54.6°, average low 37.4°. That is 3.7° above the climate normal for October. Precipitation is expected on 5 days (about 1.4 inches), against a normal of 6 days and 1.6 inches. The warmest day looks like 6 November (65.9°), the coolest 29 October (25.9°).

54.6°/37.4°

Average high / low

+3.7°

Above normal

5 / 6

Wet days / normal

1.4 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
27 October – 5 November	52.2°	49.4°	+1.5°
6 November – 15 November	58.8°	45°	+7.7°
16 November – 25 November	at normal	40°	—

October records over 66 years

87.6°2 October 2010All-time high

-4.7°30 October 1991All-time low

Climate normals and records are computed from the nearest reference point — Placerville (8 mi).

Wed, 2851° / 31°

51 °

Grimes Pass, Wednesday, 28 October

Overcast. High 51°, low 31°.

Pressure30.12 inHg

Wind4.6 mph SW

Humidity65%

Visibility6.2 mi

Dew point30°

Thu, 2954° / 26°

54 °

Grimes Pass, Thursday, 29 October

Overcast. High 54°, low 26°.

Pressure30.00 inHg

Wind1.5 mph E

Humidity51%

Visibility6.2 mi

Dew point27°

Fri, 3048° / 32°

0.21

48 °

Grimes Pass, Friday, 30 October

Light rain. High 48°, low 32°.

Pressure29.91 inHg

Wind1.5 mph N

Humidity86%

Visibility4.5 mi

Dew point43°

Sat, 3149° / 30°

0.07

49 °

Grimes Pass, Saturday, 31 October

Light rain. High 49°, low 30°.

Pressure30.00 inHg

Wind3.7 mph NE

Humidity98%

Visibility—

Dew point37°

Sun, 0140° / 30°

0.49

40 °

Grimes Pass, Sunday, 1 November

Rain. High 40°, low 30°.

Pressure30.06 inHg

Wind2.6 mph NW

Humidity98%

Visibility—

Dew point37°

Mon, 0254° / 31°

54 °

Grimes Pass, Monday, 2 November

Clear. High 54°, low 31°.

Pressure30.24 inHg

Wind4.6 mph E

Humidity36%

Visibility—

Dew point20°

Tue, 0358° / 36°

58 °

Grimes Pass, Tuesday, 3 November

Overcast. High 58°, low 36°.

Pressure30.27 inHg

Wind4.3 mph E

Humidity30%

Visibility—

Dew point19°

Wed, 0458° / 39°

58 °

Grimes Pass, Wednesday, 4 November

Overcast. High 58°, low 39°.

Pressure30.06 inHg

Wind3.5 mph SW

Humidity29%

Visibility—

Dew point21°

Thu, 0562° / 45°

62 °

Grimes Pass, Thursday, 5 November

Overcast. High 62°, low 45°.

Pressure30.06 inHg

Wind4.6 mph E

Humidity42%

Visibility—

Dew point32°

Fri, 0666° / 48°

0.03

66 °

Grimes Pass, Friday, 6 November

Light rain. High 66°, low 48°.

Pressure29.94 inHg

Wind6.1 mph S

Humidity60%

Visibility—

Dew point43°

Sat, 0754° / 47°

0.52

54 °

Grimes Pass, Saturday, 7 November

Rain. High 54°, low 47°.

Pressure29.83 inHg

Wind6.3 mph E

Humidity86%

Visibility—

Dew point47°

Sun, 0853° / 41°

0.02

53 °

Grimes Pass, Sunday, 8 November

Light rain. High 53°, low 41°.

Pressure30.18 inHg

Wind3.3 mph E

Humidity74%

Visibility—

Dew point41°

Mon, 0961° / 39°

61 °

Grimes Pass, Monday, 9 November

Partly cloudy. High 61°, low 39°.

Pressure30.27 inHg

Wind3.9 mph E

Humidity37%

Visibility—

Dew point27°

Tue, 1061° / 43°

61 °

Grimes Pass, Tuesday, 10 November

Overcast. High 61°, low 43°.

Pressure30.12 inHg

Wind4 mph E

Humidity33%

Visibility—

Dew point25°

Wed, 1158° / 44°

58 °

Grimes Pass, Wednesday, 11 November

Overcast. High 58°, low 44°.

Pressure29.94 inHg

Wind4.8 mph W

Humidity44%

Visibility—

Dew point32°

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

Thu, 1245° / 26°

0.11

45 °

Grimes Pass, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high45°

Average low26°

Average precipitation0.11 in

Chance of precipitation42%

Record high66° (1999)

Record low2° (2020)

Fri, 1344° / 27°

0.13

44 °

Grimes Pass, Friday, 13 November

Climate normal for this date — 60-year average.

Average high44°

Average low27°

Average precipitation0.13 in

Chance of precipitation42%

Record high64° (1999)

Record low-3° (2000)

Sat, 1443° / 26°

0.1

43 °

Grimes Pass, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high43°

Average low26°

Average precipitation0.1 in

Chance of precipitation43%

Record high65° (1999)

Record low-6° (1964)

Sun, 1544° / 24°

0.06

44 °

Grimes Pass, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high44°

Average low24°

Average precipitation0.06 in

Chance of precipitation27%

Record high59° (2001)

Record low-8° (1964)

Mon, 1643° / 26°

0.11

43 °

Grimes Pass, Monday, 16 November

Climate normal for this date — 60-year average.

Average high43°

Average low26°

Average precipitation0.11 in

Chance of precipitation45%

Record high61° (1999)

Record low-12° (2014)

Tue, 1742° / 26°

0.15

42 °

Grimes Pass, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high42°

Average low26°

Average precipitation0.15 in

Chance of precipitation48%

Record high59° (2008)

Record low-7° (2014)

Wed, 1841° / 24°

0.13

41 °

Grimes Pass, Wednesday, 18 November

Climate normal for this date — 60-year average.

Average high41°

Average low24°

Average precipitation0.13 in

Chance of precipitation42%

Record high59° (2008)

Record low-5° (2014)

Thu, 1941° / 23°

0.13

41 °

Grimes Pass, Thursday, 19 November

Climate normal for this date — 60-year average.

Average high41°

Average low23°

Average precipitation0.13 in

Chance of precipitation38%

Record high55° (1966)

Record low-4° (1994)

Fri, 2041° / 23°

0.12

41 °

Grimes Pass, Friday, 20 November

Climate normal for this date — 60-year average.

Average high41°

Average low23°

Average precipitation0.12 in

Chance of precipitation52%

Record high56° (2008)

Record low-7° (1979)

Sat, 2140° / 21°

0.13

40 °

Grimes Pass, Saturday, 21 November

Climate normal for this date — 60-year average.

Average high40°

Average low21°

Average precipitation0.13 in

Chance of precipitation43%

Record high55° (2018)

Record low-6° (1979)

Sun, 2239° / 21°

0.17

39 °

Grimes Pass, Sunday, 22 November

Climate normal for this date — 60-year average.

Average high39°

Average low21°

Average precipitation0.17 in

Chance of precipitation43%

Record high60° (2017)

Record low-11° (1994)

Mon, 2338° / 20°

0.12

38 °

Grimes Pass, Monday, 23 November

Climate normal for this date — 60-year average.

Average high38°

Average low20°

Average precipitation0.12 in

Chance of precipitation42%

Record high59° (2017)

Record low-21° (1985)

Tue, 2438° / 21°

0.16

38 °

Grimes Pass, Tuesday, 24 November

Climate normal for this date — 60-year average.

Average high38°

Average low21°

Average precipitation0.16 in

Chance of precipitation52%

Record high54° (1995)

Record low-16° (2010)

Wed, 2537° / 20°

0.19

37 °

Grimes Pass, Wednesday, 25 November

Climate normal for this date — 60-year average.

Average high37°

Average low20°

Average precipitation0.19 in

Chance of precipitation62%

Record high52° (2017)

Record low-18° (2010)

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 Grimes Pass, ID 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 Grimes Pass, ID 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.