Monthly outlook for Calais, VT: average high 51.3°, average low 33.6°. That is 0.2° below the climate normal for October. Precipitation is expected on 5 days (about 1.8 inches), against a normal of 6 days and 2.2 inches. The warmest day looks like 19 October (62.6°), the coolest 30 October (25.6°).
51.3°/33.6°
Average high / low
−0.2°
Below normal
5 / 6
Wet days / normal
1.8 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
19 October – 28 October
55.8°
52.7°
+1.7°
29 October – 7 November
43.9°
49.1°
-2.8°
8 November – 17 November
at normal
43.4°
—
October records over 66 years
84.4°5 October 2025All-time high
16°24 October 1969All-time low
Climate normals and records are computed from the nearest reference point — Montpelier (9 mi).
Tue, 2057° / 33°0
57 °
Calais, Tuesday, 20 October
Clear. High 57°, low 33°.
Pressure30.39 inHg
Wind8.2 mph N
Humidity52%
Visibility6.2 mi
Dew point35°
Wed, 2156° / 29°0
56 °
Calais, Wednesday, 21 October
Clear. High 56°, low 29°.
Pressure30.36 inHg
Wind0.3 mph W
Humidity55%
Visibility6.2 mi
Dew point35°
Thu, 2249° / 30°0.02
49 °
Calais, Thursday, 22 October
Light rain. High 49°, low 30°.
Pressure30.00 inHg
Wind7.9 mph NW
Humidity76%
Visibility6.2 mi
Dew point40°
Fri, 2344° / 35°0
44 °
Calais, Friday, 23 October
Overcast. High 44°, low 35°.
Pressure30.21 inHg
Wind12.7 mph NW
Humidity75%
Visibility—
Dew point32°
Sat, 2448° / 27°0
48 °
Calais, Saturday, 24 October
Clear. High 48°, low 27°.
Pressure30.42 inHg
Wind6.5 mph NW
Humidity66%
Visibility—
Dew point30°
Sun, 2559° / 32°0
59 °
Calais, Sunday, 25 October
Clear. High 59°, low 32°.
Pressure30.45 inHg
Wind5 mph S
Humidity51%
Visibility—
Dew point32°
Mon, 2662° / 40°0
62 °
Calais, Monday, 26 October
Overcast. High 62°, low 40°.
Pressure30.21 inHg
Wind4.8 mph S
Humidity65%
Visibility—
Dew point40°
Tue, 2760° / 39°0.04
60 °
Calais, Tuesday, 27 October
Light rain. High 60°, low 39°.
Pressure30.24 inHg
Wind10.3 mph S
Humidity54%
Visibility—
Dew point36°
Wed, 2859° / 37°0.27
59 °
Calais, Wednesday, 28 October
Rain. High 59°, low 37°.
Pressure29.77 inHg
Wind13.1 mph NW
Humidity76%
Visibility—
Dew point47°
Thu, 2931° / 27°0.04
31 °
Calais, Thursday, 29 October
Light snow. High 31°, low 27°.
Pressure29.85 inHg
Wind14.7 mph NW
Humidity67%
Visibility—
Dew point20°
Fri, 3043° / 26°0.02
43 °
Calais, Friday, 30 October
Light rain. High 43°, low 26°.
Pressure30.00 inHg
Wind9.6 mph W
Humidity69%
Visibility—
Dew point29°
Sat, 3150° / 35°0
50 °
Calais, Saturday, 31 October
Partly cloudy. High 50°, low 35°.
Pressure30.12 inHg
Wind8.7 mph W
Humidity49%
Visibility—
Dew point29°
Sun, 0146° / 34°0.09
46 °
Calais, Sunday, 1 November
Light rain. High 46°, low 34°.
Pressure30.39 inHg
Wind6.6 mph SE
Humidity87%
Visibility—
Dew point37°
Mon, 0248° / 40°0.24
48 °
Calais, Monday, 2 November
Light rain. High 48°, low 40°.
Pressure29.91 inHg
Wind2.3 mph E
Humidity97%
Visibility—
Dew point43°
Tue, 0346° / 42°1.1
46 °
Calais, Tuesday, 3 November
Rain. High 46°, low 42°.
Pressure29.59 inHg
Wind7.2 mph N
Humidity96%
Visibility—
Dew point45°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 0449° / 35°0.11
49 °
Calais, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high49°
Average low35°
Average precipitation0.11 in
Chance of precipitation33%
Record high69° (1982)
Record low17° (1988)
Thu, 0548° / 35°0.16
48 °
Calais, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high48°
Average low35°
Average precipitation0.16 in
Chance of precipitation47%
Record high73° (2022)
Record low20° (1986)
Fri, 0648° / 37°0.11
48 °
Calais, Friday, 6 November
Climate normal for this date — 60-year average.
Average high48°
Average low37°
Average precipitation0.11 in
Chance of precipitation40%
Record high74° (2022)
Record low20° (1962)
Sat, 0747° / 34°0.07
47 °
Calais, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.07 in
Chance of precipitation40%
Record high69° (2020)
Record low6° (2002)
Sun, 0845° / 33°0.09
45 °
Calais, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high45°
Average low33°
Average precipitation0.09 in
Chance of precipitation37%
Record high69° (2020)
Record low6° (2002)
Mon, 0946° / 33°0.11
46 °
Calais, Monday, 9 November
Climate normal for this date — 60-year average.
Average high46°
Average low33°
Average precipitation0.11 in
Chance of precipitation33%
Record high66° (2020)
Record low16° (2019)
Tue, 1046° / 33°0.13
46 °
Calais, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high46°
Average low33°
Average precipitation0.13 in
Chance of precipitation38%
Record high70° (2020)
Record low15° (1992)
Wed, 1144° / 33°0.17
44 °
Calais, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high44°
Average low33°
Average precipitation0.17 in
Chance of precipitation52%
Record high70° (2022)
Record low17° (2017)
Thu, 1244° / 31°0.12
44 °
Calais, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high44°
Average low31°
Average precipitation0.12 in
Chance of precipitation43%
Record high65° (2022)
Record low12° (2019)
Fri, 1342° / 29°0.13
42 °
Calais, Friday, 13 November
Climate normal for this date — 60-year average.
Average high42°
Average low29°
Average precipitation0.13 in
Chance of precipitation43%
Record high58° (1964)
Record low6° (2019)
Sat, 1442° / 29°0.11
42 °
Calais, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high42°
Average low29°
Average precipitation0.11 in
Chance of precipitation33%
Record high61° (2011)
Record low2° (1971)
Sun, 1542° / 29°0.14
42 °
Calais, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high42°
Average low29°
Average precipitation0.14 in
Chance of precipitation47%
Record high62° (2008)
Record low12° (1971)
Mon, 1642° / 29°0.13
42 °
Calais, Monday, 16 November
Climate normal for this date — 60-year average.
Average high42°
Average low29°
Average precipitation0.13 in
Chance of precipitation40%
Record high62° (1989)
Record low0° (2019)
Tue, 1741° / 28°0.11
41 °
Calais, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high41°
Average low28°
Average precipitation0.11 in
Chance of precipitation42%
Record high63° (2006)
Record low-2° (1972)
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 Calais, VT 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 Calais, VT 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.