Monthly outlook for Saint Thomas, MN: average high 55.7°, average low 41.3°. That is 1.6° above the climate normal for October. Precipitation is expected on 4 days (about 1.0 inches), against a normal of 4 days and 1.1 inches. The warmest day looks like 22 October (72°), the coolest 29 October (29.6°).
55.7°/41.3°
Average high / low
+1.6°
Above normal
4 / 4
Wet days / normal
1.0 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
20 October – 29 October
58.8°
54.6°
+2.3°
30 October – 8 November
50.5°
49°
+0.8°
9 November – 18 November
at normal
42.8°
—
October records over 66 years
89.8°3 October 2025All-time high
13.5°24 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Le Sueur (7 mi).
Wed, 2170° / 47°0
70 °
Saint Thomas, Wednesday, 21 October
Clear. High 70°, low 47°.
Pressure30.18 inHg
Wind3.2 mph W
Humidity61%
Visibility6.2 mi
Dew point51°
Thu, 2272° / 44°0
72 °
Saint Thomas, Thursday, 22 October
Clear. High 72°, low 44°.
Pressure30.24 inHg
Wind4.4 mph E
Humidity66%
Visibility6.2 mi
Dew point55°
Fri, 2371° / 56°0
71 °
Saint Thomas, Friday, 23 October
Overcast. High 71°, low 56°.
Pressure30.15 inHg
Wind13.4 mph S
Humidity58%
Visibility6.2 mi
Dew point52°
Sat, 2472° / 55°0.48
72 °
Saint Thomas, Saturday, 24 October
Rain. High 72°, low 55°.
Pressure30.09 inHg
Wind13.7 mph S
Humidity57%
Visibility6.2 mi
Dew point52°
Sun, 2554° / 48°0.19
54 °
Saint Thomas, Sunday, 25 October
Light rain. High 54°, low 48°.
Pressure30.39 inHg
Wind8.7 mph NE
Humidity56%
Visibility—
Dew point38°
Mon, 2647° / 40°0.23
47 °
Saint Thomas, Monday, 26 October
Rain. High 47°, low 40°.
Pressure30.42 inHg
Wind12.5 mph NE
Humidity60%
Visibility—
Dew point31°
Tue, 2745° / 33°0
45 °
Saint Thomas, Tuesday, 27 October
Light rain. High 45°, low 33°.
Pressure30.50 inHg
Wind8.6 mph N
Humidity41%
Visibility—
Dew point20°
Wed, 2847° / 31°0
47 °
Saint Thomas, Wednesday, 28 October
Clear. High 47°, low 31°.
Pressure30.30 inHg
Wind11.2 mph W
Humidity46%
Visibility—
Dew point23°
Thu, 2944° / 30°0
44 °
Saint Thomas, Thursday, 29 October
Clear. High 44°, low 30°.
Pressure30.36 inHg
Wind12.4 mph NW
Humidity41%
Visibility—
Dew point18°
Fri, 3047° / 31°0.04
47 °
Saint Thomas, Friday, 30 October
Light rain. High 47°, low 31°.
Pressure30.09 inHg
Wind20.5 mph S
Humidity44%
Visibility—
Dew point21°
Sat, 3149° / 47°0.01
49 °
Saint Thomas, Saturday, 31 October
Light rain. High 49°, low 47°.
Pressure29.65 inHg
Wind20.2 mph S
Humidity82%
Visibility—
Dew point43°
Sun, 0160° / 48°0
60 °
Saint Thomas, Sunday, 1 November
Overcast. High 60°, low 48°.
Pressure29.47 inHg
Wind20.2 mph S
Humidity80%
Visibility—
Dew point48°
Mon, 0250° / 38°0
50 °
Saint Thomas, Monday, 2 November
Clear. High 50°, low 38°.
Pressure30.27 inHg
Wind15.2 mph NW
Humidity28%
Visibility—
Dew point13°
Tue, 0349° / 35°0
49 °
Saint Thomas, Tuesday, 3 November
Partly cloudy. High 49°, low 35°.
Pressure30.33 inHg
Wind15.7 mph S
Humidity34%
Visibility—
Dew point20°
Wed, 0448° / 36°0
48 °
Saint Thomas, Wednesday, 4 November
Overcast. High 48°, low 36°.
Pressure30.45 inHg
Wind14.9 mph N
Humidity34%
Visibility—
Dew point19°
From day 17 onward the outlook is built from 60-year climate statistics
Thu, 0548° / 34°0.06
48 °
Saint Thomas, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high48°
Average low34°
Average precipitation0.06 in
Chance of precipitation25%
Record high68° (1975)
Record low8° (1991)
Fri, 0648° / 34°0.05
48 °
Saint Thomas, Friday, 6 November
Climate normal for this date — 60-year average.
Average high48°
Average low34°
Average precipitation0.05 in
Chance of precipitation15%
Record high71° (2020)
Record low1° (1991)
Sat, 0747° / 33°0.02
47 °
Saint Thomas, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high47°
Average low33°
Average precipitation0.02 in
Chance of precipitation12%
Record high72° (2001)
Record low-10° (1991)
Sun, 0847° / 33°0.04
47 °
Saint Thomas, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high47°
Average low33°
Average precipitation0.04 in
Chance of precipitation20%
Record high74° (1999)
Record low-2° (1991)
Mon, 0946° / 32°0.13
46 °
Saint Thomas, Monday, 9 November
Climate normal for this date — 60-year average.
Average high46°
Average low32°
Average precipitation0.13 in
Chance of precipitation33%
Record high72° (1999)
Record low13° (2003)
Tue, 1044° / 31°0.1
44 °
Saint Thomas, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high44°
Average low31°
Average precipitation0.1 in
Chance of precipitation33%
Record high70° (2012)
Record low8° (2018)
Wed, 1142° / 29°0.06
42 °
Saint Thomas, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high42°
Average low29°
Average precipitation0.06 in
Chance of precipitation18%
Record high62° (1964)
Record low7° (1986)
Thu, 1240° / 28°0.06
40 °
Saint Thomas, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high40°
Average low28°
Average precipitation0.06 in
Chance of precipitation22%
Record high64° (2005)
Record low-3° (1966)
Fri, 1343° / 29°0.07
43 °
Saint Thomas, Friday, 13 November
Climate normal for this date — 60-year average.
Average high43°
Average low29°
Average precipitation0.07 in
Chance of precipitation25%
Record high71° (1999)
Record low3° (1986)
Sat, 1443° / 30°0.02
43 °
Saint Thomas, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high43°
Average low30°
Average precipitation0.02 in
Chance of precipitation13%
Record high69° (2025)
Record low8° (2014)
Sun, 1544° / 29°0.05
44 °
Saint Thomas, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high44°
Average low29°
Average precipitation0.05 in
Chance of precipitation20%
Record high66° (2001)
Record low9° (2014)
Mon, 1643° / 28°0.08
43 °
Saint Thomas, Monday, 16 November
Climate normal for this date — 60-year average.
Average high43°
Average low28°
Average precipitation0.08 in
Chance of precipitation23%
Record high67° (2001)
Record low4° (1997)
Tue, 1742° / 29°0.08
42 °
Saint Thomas, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high42°
Average low29°
Average precipitation0.08 in
Chance of precipitation23%
Record high68° (2001)
Record low8° (2014)
Wed, 1842° / 28°0.07
42 °
Saint Thomas, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high42°
Average low28°
Average precipitation0.07 in
Chance of precipitation27%
Record high67° (1999)
Record low3° (2014)
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 Saint Thomas, MN 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 Saint Thomas, MN 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.