Monthly outlook for Coulam, ID: average high 54.7°, average low 38.5°. That is 1.4° below the climate normal for October. Precipitation is expected on 4 days (about 1.2 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 19 October (67.8°), the coolest 24 October (30.9°).
54.7°/38.5°
Average high / low
−1.4°
Below normal
4 / 4
Wet days / normal
1.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
13 October – 22 October
54.4°
58.8°
-2.4°
23 October – 1 November
55.2°
52.5°
+1.5°
2 November – 11 November
at normal
47.7°
—
October records over 66 years
85.6°2 October 2010All-time high
1.6°30 October 2019All-time low
Climate normals and records are computed from the nearest reference point — Oxford (3 mi).
Wed, 1452° / 36°0
52 °
Coulam, Wednesday, 14 October
Clear. High 52°, low 36°.
Pressure30.18 inHg
Wind7.2 mph NW
Humidity60%
Visibility6.2 mi
Dew point33°
Thu, 1560° / 35°0
60 °
Coulam, Thursday, 15 October
Clear. High 60°, low 35°.
Pressure30.47 inHg
Wind3.2 mph N
Humidity55%
Visibility6.2 mi
Dew point37°
Fri, 1662° / 37°0
62 °
Coulam, Friday, 16 October
Clear. High 62°, low 37°.
Pressure30.50 inHg
Wind3 mph E
Humidity42%
Visibility6.2 mi
Dew point30°
Sat, 1760° / 42°0
60 °
Coulam, Saturday, 17 October
Clear. High 60°, low 42°.
Pressure30.21 inHg
Wind5.1 mph SE
Humidity49%
Visibility—
Dew point36°
Sun, 1864° / 41°0
64 °
Coulam, Sunday, 18 October
Partly cloudy. High 64°, low 41°.
Pressure30.06 inHg
Wind5 mph S
Humidity51%
Visibility—
Dew point37°
Mon, 1968° / 48°0
68 °
Coulam, Monday, 19 October
Clear. High 68°, low 48°.
Pressure29.80 inHg
Wind18.8 mph S
Humidity27%
Visibility—
Dew point27°
Tue, 2049° / 41°0.1
49 °
Coulam, Tuesday, 20 October
Light rain. High 49°, low 41°.
Pressure29.80 inHg
Wind14.7 mph NW
Humidity55%
Visibility—
Dew point30°
Wed, 2140° / 35°0.69
40 °
Coulam, Wednesday, 21 October
Snow. High 40°, low 35°.
Pressure29.80 inHg
Wind8.4 mph NW
Humidity99%
Visibility—
Dew point35°
Thu, 2243° / 31°0.01
43 °
Coulam, Thursday, 22 October
Light snow. High 43°, low 31°.
Pressure30.15 inHg
Wind5.1 mph SW
Humidity88%
Visibility—
Dew point34°
Fri, 2344° / 36°0.07
44 °
Coulam, Friday, 23 October
Snow. High 44°, low 36°.
Pressure30.33 inHg
Wind9.3 mph NW
Humidity74%
Visibility—
Dew point34°
Sat, 2447° / 31°0
47 °
Coulam, Saturday, 24 October
Clear. High 47°, low 31°.
Pressure30.59 inHg
Wind6.4 mph N
Humidity62%
Visibility—
Dew point29°
Sun, 2553° / 33°0
53 °
Coulam, Sunday, 25 October
Partly cloudy. High 53°, low 33°.
Pressure30.50 inHg
Wind7.7 mph N
Humidity46%
Visibility—
Dew point25°
Mon, 2661° / 38°0
61 °
Coulam, Monday, 26 October
Overcast. High 61°, low 38°.
Pressure30.47 inHg
Wind6 mph N
Humidity42%
Visibility—
Dew point29°
Tue, 2766° / 44°0
66 °
Coulam, Tuesday, 27 October
Clear. High 66°, low 44°.
Pressure30.33 inHg
Wind4.6 mph N
Humidity38%
Visibility—
Dew point32°
Wed, 2859° / 46°0
59 °
Coulam, Wednesday, 28 October
Clear. High 59°, low 46°.
Pressure30.18 inHg
Wind4.7 mph S
Humidity45%
Visibility—
Dew point36°
From day 17 onward the outlook is built from 60-year climate statistics
Thu, 2951° / 33°0.07
51 °
Coulam, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high51°
Average low33°
Average precipitation0.07 in
Chance of precipitation33%
Record high70° (1962)
Record low5° (1971)
Fri, 3049° / 32°0.07
49 °
Coulam, Friday, 30 October
Climate normal for this date — 60-year average.
Average high49°
Average low32°
Average precipitation0.07 in
Chance of precipitation28%
Record high71° (1962)
Record low2° (2019)
Sat, 3149° / 32°0.07
49 °
Coulam, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high49°
Average low32°
Average precipitation0.07 in
Chance of precipitation27%
Record high67° (2014)
Record low8° (2019)
Sun, 0149° / 31°0.04
49 °
Coulam, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high49°
Average low31°
Average precipitation0.04 in
Chance of precipitation23%
Record high67° (1965)
Record low7° (2004)
Mon, 0249° / 31°0.04
49 °
Coulam, Monday, 2 November
Climate normal for this date — 60-year average.
Average high49°
Average low31°
Average precipitation0.04 in
Chance of precipitation25%
Record high64° (1962)
Record low5° (1991)
Tue, 0350° / 31°0.03
50 °
Coulam, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high50°
Average low31°
Average precipitation0.03 in
Chance of precipitation17%
Record high66° (1962)
Record low-2° (1991)
Wed, 0450° / 32°0.05
50 °
Coulam, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high50°
Average low32°
Average precipitation0.05 in
Chance of precipitation22%
Record high66° (2020)
Record low20° (1994)
Thu, 0549° / 33°0.06
49 °
Coulam, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high49°
Average low33°
Average precipitation0.06 in
Chance of precipitation28%
Record high66° (1980)
Record low1° (1961)
Fri, 0649° / 32°0.04
49 °
Coulam, Friday, 6 November
Climate normal for this date — 60-year average.
Average high49°
Average low32°
Average precipitation0.04 in
Chance of precipitation22%
Record high70° (2020)
Record low-4° (1971)
Sat, 0748° / 31°0.08
48 °
Coulam, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high48°
Average low31°
Average precipitation0.08 in
Chance of precipitation35%
Record high66° (1999)
Record low7° (2003)
Sun, 0847° / 31°0.09
47 °
Coulam, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high47°
Average low31°
Average precipitation0.09 in
Chance of precipitation38%
Record high62° (1965)
Record low14° (1961)
Mon, 0946° / 29°0.09
46 °
Coulam, Monday, 9 November
Climate normal for this date — 60-year average.
Average high46°
Average low29°
Average precipitation0.09 in
Chance of precipitation33%
Record high62° (2016)
Record low12° (1966)
Tue, 1045° / 29°0.05
45 °
Coulam, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high45°
Average low29°
Average precipitation0.05 in
Chance of precipitation32%
Record high64° (2016)
Record low9° (2000)
Wed, 1145° / 29°0.05
45 °
Coulam, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high45°
Average low29°
Average precipitation0.05 in
Chance of precipitation27%
Record high62° (1999)
Record low5° (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 Coulam, 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 Coulam, 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.