Monthly outlook for Oswego, MT: average high 54.2°, average low 39.7°. That is 1° below the climate normal for October. Precipitation is expected on 2 days (about 0.7 inches), against a normal of 2 days and 0.5 inches. The warmest day looks like 17 October (70.5°), the coolest 26 October (28.2°).
54.2°/39.7°
Average high / low
−1°
Below normal
2 / 2
Wet days / normal
0.7 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
11 October – 20 October
57.8°
57°
+0.4°
21 October – 30 October
48.4°
52.3°
-2.2°
31 October – 9 November
at normal
45.7°
—
October records over 66 years
90.7°4 October 2011All-time high
-3.5°30 October 1991All-time low
Climate normals and records are computed from the nearest reference point — Wolf Point (11 mi).
Mon, 1240° / 35°0.29
40 °
Oswego, Monday, 12 October
Snow. High 40°, low 35°.
Pressure30.09 inHg
Wind6.4 mph N
Humidity81%
Visibility6.2 mi
Dew point33°
Tue, 1350° / 35°0
50 °
Oswego, Tuesday, 13 October
Overcast. High 50°, low 35°.
Pressure30.12 inHg
Wind6.3 mph SW
Humidity60%
Visibility6.2 mi
Dew point33°
Wed, 1457° / 31°0
57 °
Oswego, Wednesday, 14 October
Partly cloudy. High 57°, low 31°.
Pressure30.18 inHg
Wind3.9 mph S
Humidity64%
Visibility3.9 mi
Dew point37°
Thu, 1552° / 38°0
52 °
Oswego, Thursday, 15 October
Clear. High 52°, low 38°.
Pressure30.62 inHg
Wind12.8 mph NW
Humidity54%
Visibility6.2 mi
Dew point29°
Fri, 1665° / 33°0
65 °
Oswego, Friday, 16 October
Clear. High 65°, low 33°.
Pressure30.39 inHg
Wind9.4 mph SW
Humidity40%
Visibility—
Dew point28°
Sat, 1771° / 41°0
71 °
Oswego, Saturday, 17 October
Partly cloudy. High 71°, low 41°.
Pressure29.85 inHg
Wind13.2 mph W
Humidity38%
Visibility—
Dew point35°
Sun, 1867° / 57°0
67 °
Oswego, Sunday, 18 October
Overcast. High 67°, low 57°.
Pressure29.91 inHg
Wind15.7 mph W
Humidity35%
Visibility—
Dew point35°
Mon, 1968° / 50°0
68 °
Oswego, Monday, 19 October
Overcast. High 68°, low 50°.
Pressure29.97 inHg
Wind12.7 mph SE
Humidity33%
Visibility—
Dew point32°
Tue, 2065° / 52°0
65 °
Oswego, Tuesday, 20 October
Overcast. High 65°, low 52°.
Pressure29.47 inHg
Wind24.8 mph W
Humidity37%
Visibility—
Dew point35°
Wed, 2159° / 49°0
59 °
Oswego, Wednesday, 21 October
Clear. High 59°, low 49°.
Pressure29.71 inHg
Wind23.6 mph W
Humidity37%
Visibility—
Dew point29°
Thu, 2252° / 42°0
52 °
Oswego, Thursday, 22 October
Mostly clear. High 52°, low 42°.
Pressure30.06 inHg
Wind16.2 mph NW
Humidity51%
Visibility—
Dew point31°
Fri, 2344° / 37°0
44 °
Oswego, Friday, 23 October
Overcast. High 44°, low 37°.
Pressure30.47 inHg
Wind16.8 mph NW
Humidity55%
Visibility—
Dew point25°
Sat, 2447° / 31°0
47 °
Oswego, Saturday, 24 October
Partly cloudy. High 47°, low 31°.
Pressure30.53 inHg
Wind10.1 mph SW
Humidity55%
Visibility—
Dew point25°
Sun, 2552° / 38°0
52 °
Oswego, Sunday, 25 October
Overcast. High 52°, low 38°.
Pressure30.18 inHg
Wind26.4 mph NW
Humidity39%
Visibility—
Dew point27°
Mon, 2635° / 28°0
35 °
Oswego, Monday, 26 October
Partly cloudy. High 35°, low 28°.
Pressure30.53 inHg
Wind15.5 mph NW
Humidity49%
Visibility—
Dew point16°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2751° / 33°0.03
51 °
Oswego, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high51°
Average low33°
Average precipitation0.03 in
Chance of precipitation17%
Record high72° (1983)
Record low7° (2023)
Wed, 2850° / 33°0.02
50 °
Oswego, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high50°
Average low33°
Average precipitation0.02 in
Chance of precipitation13%
Record high76° (1990)
Record low8° (2023)
Thu, 2949° / 31°0.04
49 °
Oswego, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high49°
Average low31°
Average precipitation0.04 in
Chance of precipitation20%
Record high71° (1968)
Record low8° (1991)
Fri, 3049° / 31°0.02
49 °
Oswego, Friday, 30 October
Climate normal for this date — 60-year average.
Average high49°
Average low31°
Average precipitation0.02 in
Chance of precipitation17%
Record high70° (1983)
Record low-3° (1991)
Sat, 3149° / 31°0.03
49 °
Oswego, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high49°
Average low31°
Average precipitation0.03 in
Chance of precipitation13%
Record high75° (1990)
Record low2° (2023)
Sun, 0147° / 31°0.02
47 °
Oswego, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high47°
Average low31°
Average precipitation0.02 in
Chance of precipitation15%
Record high69° (2008)
Record low1° (1984)
Mon, 0246° / 30°0.02
46 °
Oswego, Monday, 2 November
Climate normal for this date — 60-year average.
Average high46°
Average low30°
Average precipitation0.02 in
Chance of precipitation10%
Record high70° (1965)
Record low1° (1991)
Tue, 0346° / 30°0.03
46 °
Oswego, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high46°
Average low30°
Average precipitation0.03 in
Chance of precipitation18%
Record high67° (1975)
Record low-5° (1991)
Wed, 0448° / 30°0.03
48 °
Oswego, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high48°
Average low30°
Average precipitation0.03 in
Chance of precipitation18%
Record high69° (1983)
Record low8° (1991)
Thu, 0546° / 29°0.02
46 °
Oswego, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high46°
Average low29°
Average precipitation0.02 in
Chance of precipitation13%
Record high71° (2020)
Record low-5° (2003)
Fri, 0645° / 28°0.02
45 °
Oswego, Friday, 6 November
Climate normal for this date — 60-year average.
Average high45°
Average low28°
Average precipitation0.02 in
Chance of precipitation15%
Record high67° (2010)
Record low1° (1991)
Sat, 0745° / 28°0.02
45 °
Oswego, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high45°
Average low28°
Average precipitation0.02 in
Chance of precipitation13%
Record high72° (1999)
Record low-1° (2003)
Sun, 0843° / 27°0.04
43 °
Oswego, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high43°
Average low27°
Average precipitation0.04 in
Chance of precipitation18%
Record high69° (1999)
Record low-8° (2000)
Mon, 0941° / 25°0.04
41 °
Oswego, Monday, 9 November
Climate normal for this date — 60-year average.
Average high41°
Average low25°
Average precipitation0.04 in
Chance of precipitation22%
Record high63° (2016)
Record low-3° (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 Oswego, MT 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 Oswego, MT 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.