As of 20:44 MDT

Weather in Chester, ID

51°

Chester, Saturday, 17 October, 20:44

Clear. Feels like 49°. High 67°, low 32°.

Pressure30.15 inHg

Wind3.8 mph NE

Humidity63%

Visibility6.2 mi

Dew point39°

See detailed hourly forecast

Monthly outlook for Chester, ID: average high 56.2°, average low 37°. That is 2.5° above the climate normal for October. Precipitation is expected on 5 days (about 1.7 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 17 October (67.3°), the coolest 31 October (29.9°).

56.2°/37°

Average high / low

+2.5°

Above normal

5 / 4

Wet days / normal

1.7 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
17 October – 26 October	59.9°	54.1°	+3.2°
27 October – 5 November	50.1°	46.9°	+1.7°
6 November – 15 November	at normal	42.1°	—

October records over 66 years

81.7°1 October 1992All-time high

4.3°30 October 1989All-time low

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

Sun, 1865° / 33°

65 °

Chester, Sunday, 18 October

Overcast. High 65°, low 33°.

Pressure30.12 inHg

Wind1.8 mph S

Humidity39%

Visibility6.2 mi

Dew point31°

Mon, 1963° / 33°

63 °

Chester, Monday, 19 October

Clear. High 63°, low 33°.

Pressure30.03 inHg

Wind2.4 mph SE

Humidity40%

Visibility6.2 mi

Dew point35°

Tue, 2063° / 42°

63 °

Chester, Tuesday, 20 October

Overcast. High 63°, low 42°.

Pressure30.03 inHg

Wind2.3 mph NE

Humidity52%

Visibility6.2 mi

Dew point41°

Wed, 2165° / 43°

0.01

65 °

Chester, Wednesday, 21 October

Light rain. High 65°, low 43°.

Pressure30.06 inHg

Wind4 mph E

Humidity59%

Visibility6.2 mi

Dew point46°

Thu, 2265° / 46°

0.07

65 °

Chester, Thursday, 22 October

Light rain. High 65°, low 46°.

Pressure29.88 inHg

Wind9.1 mph NE

Humidity64%

Visibility—

Dew point45°

Fri, 2348° / 39°

1.36

48 °

Chester, Friday, 23 October

Rain. High 48°, low 39°.

Pressure29.85 inHg

Wind16.3 mph SW

Humidity93%

Visibility—

Dew point41°

Sat, 2451° / 35°

51 °

Chester, Saturday, 24 October

Clear. High 51°, low 35°.

Pressure30.39 inHg

Wind15 mph N

Humidity46%

Visibility—

Dew point25°

Sun, 2554° / 32°

54 °

Chester, Sunday, 25 October

Clear. High 54°, low 32°.

Pressure30.36 inHg

Wind7.8 mph NE

Humidity35%

Visibility—

Dew point20°

Mon, 2656° / 35°

56 °

Chester, Monday, 26 October

Clear. High 56°, low 35°.

Pressure30.03 inHg

Wind8.3 mph NE

Humidity31%

Visibility—

Dew point20°

Tue, 2756° / 36°

56 °

Chester, Tuesday, 27 October

Clear. High 56°, low 36°.

Pressure29.91 inHg

Wind7 mph W

Humidity39%

Visibility—

Dew point24°

Wed, 2851° / 43°

0.04

51 °

Chester, Wednesday, 28 October

Light rain. High 51°, low 43°.

Pressure29.83 inHg

Wind8.8 mph SW

Humidity74%

Visibility—

Dew point38°

Thu, 2950° / 39°

50 °

Chester, Thursday, 29 October

Partly cloudy. High 50°, low 39°.

Pressure30.03 inHg

Wind17.8 mph SW

Humidity52%

Visibility—

Dew point28°

Fri, 3051° / 37°

0.11

51 °

Chester, Friday, 30 October

Light rain. High 51°, low 37°.

Pressure29.65 inHg

Wind17.2 mph SW

Humidity45%

Visibility—

Dew point28°

Sat, 3141° / 30°

0.04

41 °

Chester, Saturday, 31 October

Snow. High 41°, low 30°.

Pressure29.88 inHg

Wind22.7 mph SW

Humidity53%

Visibility—

Dew point20°

Sun, 0151° / 38°

0.1

51 °

Chester, Sunday, 1 November

Light rain. High 51°, low 38°.

Pressure29.71 inHg

Wind27.3 mph SW

Humidity55%

Visibility—

Dew point33°

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

Mon, 0245° / 27°

0.06

45 °

Chester, Monday, 2 November

Climate normal for this date — 60-year average.

Average high45°

Average low27°

Average precipitation0.06 in

Chance of precipitation30%

Record high62° (1978)

Record low-5° (1991)

Tue, 0346° / 26°

0.04

46 °

Chester, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high46°

Average low26°

Average precipitation0.04 in

Chance of precipitation18%

Record high63° (1962)

Record low-3° (1991)

Wed, 0446° / 27°

0.05

46 °

Chester, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high46°

Average low27°

Average precipitation0.05 in

Chance of precipitation27%

Record high61° (2001)

Record low2° (2002)

Thu, 0546° / 28°

0.06

46 °

Chester, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high46°

Average low28°

Average precipitation0.06 in

Chance of precipitation38%

Record high62° (2020)

Record low0° (1961)

Fri, 0646° / 28°

0.07

46 °

Chester, Friday, 6 November

Climate normal for this date — 60-year average.

Average high46°

Average low28°

Average precipitation0.07 in

Chance of precipitation37%

Record high67° (2020)

Record low2° (1971)

Sat, 0745° / 27°

0.07

45 °

Chester, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high45°

Average low27°

Average precipitation0.07 in

Chance of precipitation43%

Record high69° (1999)

Record low1° (1971)

Sun, 0843° / 26°

0.1

43 °

Chester, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high43°

Average low26°

Average precipitation0.1 in

Chance of precipitation40%

Record high61° (1999)

Record low10° (1994)

Mon, 0942° / 25°

0.09

42 °

Chester, Monday, 9 November

Climate normal for this date — 60-year average.

Average high42°

Average low25°

Average precipitation0.09 in

Chance of precipitation32%

Record high58° (2016)

Record low10° (1994)

Tue, 1042° / 24°

0.06

42 °

Chester, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high42°

Average low24°

Average precipitation0.06 in

Chance of precipitation42%

Record high59° (2016)

Record low-3° (1986)

Wed, 1142° / 24°

0.06

42 °

Chester, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high42°

Average low24°

Average precipitation0.06 in

Chance of precipitation30%

Record high61° (1999)

Record low-6° (2000)

Thu, 1242° / 23°

0.08

42 °

Chester, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high42°

Average low23°

Average precipitation0.08 in

Chance of precipitation32%

Record high63° (1999)

Record low-4° (2000)

Fri, 1341° / 25°

0.08

41 °

Chester, Friday, 13 November

Climate normal for this date — 60-year average.

Average high41°

Average low25°

Average precipitation0.08 in

Chance of precipitation42%

Record high59° (1999)

Record low-8° (2000)

Sat, 1440° / 24°

0.07

40 °

Chester, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high40°

Average low24°

Average precipitation0.07 in

Chance of precipitation37%

Record high63° (1999)

Record low-4° (1982)

Sun, 1540° / 22°

0.03

40 °

Chester, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high40°

Average low22°

Average precipitation0.03 in

Chance of precipitation25%

Record high64° (1999)

Record low-9° (1978)

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 Chester, 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 Chester, 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.