Monthly outlook for Saint Thomas, MN: average high 59.9°, average low 45.2°. That is 2° above the climate normal for October. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 12 October (83.6°), the coolest 24 October (33.4°).
59.9°/45.2°
Average high / low
+2°
Above normal
2 / 4
Wet days / normal
0.8 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
12 October – 21 October
65.8°
57.4°
+4.7°
22 October – 31 October
50°
53.6°
-2°
1 November – 10 November
at normal
47.6°
—
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).
Tue, 1367° / 55°0.01
67 °
Saint Thomas, Tuesday, 13 October
Light rain. High 67°, low 55°.
Pressure29.94 inHg
Wind8.4 mph NW
Humidity63%
Visibility6.2 mi
Dew point47°
Wed, 1459° / 49°0
59 °
Saint Thomas, Wednesday, 14 October
Overcast. High 59°, low 49°.
Pressure30.21 inHg
Wind6.8 mph N
Humidity58%
Visibility6.2 mi
Dew point42°
Thu, 1560° / 50°0.07
60 °
Saint Thomas, Thursday, 15 October
Light rain. High 60°, low 50°.
Pressure30.15 inHg
Wind5.9 mph NW
Humidity66%
Visibility6.2 mi
Dew point46°
Fri, 1656° / 44°0
56 °
Saint Thomas, Friday, 16 October
Clear. High 56°, low 44°.
Pressure30.59 inHg
Wind16.8 mph NW
Humidity45%
Visibility—
Dew point32°
Sat, 1758° / 41°0
58 °
Saint Thomas, Saturday, 17 October
Clear. High 58°, low 41°.
Pressure30.30 inHg
Wind21 mph S
Humidity31%
Visibility—
Dew point25°
Sun, 1867° / 45°0
67 °
Saint Thomas, Sunday, 18 October
Clear. High 67°, low 45°.
Pressure30.00 inHg
Wind21.2 mph S
Humidity32%
Visibility—
Dew point30°
Mon, 1969° / 46°0
69 °
Saint Thomas, Monday, 19 October
Clear. High 69°, low 46°.
Pressure30.09 inHg
Wind12 mph S
Humidity39%
Visibility—
Dew point38°
Tue, 2075° / 52°0
75 °
Saint Thomas, Tuesday, 20 October
Mostly clear. High 75°, low 52°.
Pressure29.88 inHg
Wind20 mph S
Humidity43%
Visibility—
Dew point45°
Wed, 2164° / 50°0.71
64 °
Saint Thomas, Wednesday, 21 October
Rain. High 64°, low 50°.
Pressure29.77 inHg
Wind17.9 mph S
Humidity82%
Visibility—
Dew point49°
Thu, 2250° / 42°0.01
50 °
Saint Thomas, Thursday, 22 October
Light rain. High 50°, low 42°.
Pressure29.80 inHg
Wind18.1 mph W
Humidity52%
Visibility—
Dew point32°
Fri, 2346° / 35°0
46 °
Saint Thomas, Friday, 23 October
Mostly clear. High 46°, low 35°.
Pressure30.12 inHg
Wind19.7 mph NW
Humidity48%
Visibility—
Dew point26°
Sat, 2451° / 33°0
51 °
Saint Thomas, Saturday, 24 October
Overcast. High 51°, low 33°.
Pressure30.00 inHg
Wind15.4 mph SE
Humidity43%
Visibility—
Dew point26°
Sun, 2555° / 43°0
55 °
Saint Thomas, Sunday, 25 October
Overcast. High 55°, low 43°.
Pressure29.77 inHg
Wind12.2 mph SE
Humidity62%
Visibility—
Dew point39°
Mon, 2648° / 39°0
48 °
Saint Thomas, Monday, 26 October
Overcast. High 48°, low 39°.
Pressure30.09 inHg
Wind9.6 mph NW
Humidity65%
Visibility—
Dew point35°
Tue, 2750° / 36°0
50 °
Saint Thomas, Tuesday, 27 October
Clear. High 50°, low 36°.
Pressure30.03 inHg
Wind8.6 mph NW
Humidity46%
Visibility—
Dew point28°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 2852° / 38°0.06
52 °
Saint Thomas, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high52°
Average low38°
Average precipitation0.06 in
Chance of precipitation18%
Record high74° (2024)
Record low22° (1967)
Thu, 2953° / 38°0.08
53 °
Saint Thomas, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high53°
Average low38°
Average precipitation0.08 in
Chance of precipitation30%
Record high80° (2024)
Record low22° (1988)
Fri, 3053° / 38°0.07
53 °
Saint Thomas, Friday, 30 October
Climate normal for this date — 60-year average.
Average high53°
Average low38°
Average precipitation0.07 in
Chance of precipitation30%
Record high74° (2024)
Record low22° (2023)
Sat, 3151° / 37°0.11
51 °
Saint Thomas, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.11 in
Chance of precipitation32%
Record high71° (2000)
Record low20° (1996)
Sun, 0149° / 36°0.09
49 °
Saint Thomas, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high49°
Average low36°
Average precipitation0.09 in
Chance of precipitation22%
Record high70° (1990)
Record low21° (1996)
Mon, 0249° / 36°0.06
49 °
Saint Thomas, Monday, 2 November
Climate normal for this date — 60-year average.
Average high49°
Average low36°
Average precipitation0.06 in
Chance of precipitation15%
Record high74° (2022)
Record low13° (1991)
Tue, 0349° / 35°0.06
49 °
Saint Thomas, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high49°
Average low35°
Average precipitation0.06 in
Chance of precipitation22%
Record high72° (2008)
Record low8° (1991)
Wed, 0448° / 34°0.04
48 °
Saint Thomas, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high48°
Average low34°
Average precipitation0.04 in
Chance of precipitation17%
Record high69° (2008)
Record low-5° (1991)
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)
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.