Monthly outlook for Harrietta, MI: average high 56.2°, average low 42.7°. That is 1.9° above the climate normal for October. Precipitation is expected on 7 days (about 2.3 inches), against a normal of 7 days and 1.8 inches. The warmest day looks like 24 October (67.9°), the coolest 23 October (34.7°).
56.2°/42.7°
Average high / low
+1.9°
Above normal
7 / 7
Wet days / normal
2.3 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
14 October – 23 October
57.2°
53.8°
+1.9°
24 October – 2 November
54.4°
50.7°
+2.1°
3 November – 12 November
at normal
45.4°
—
October records over 66 years
83.5°7 October 2007All-time high
22.8°19 October 1972All-time low
Climate normals and records are computed from the nearest reference point — Cadillac (15 mi).
Thu, 1557° / 45°0.93
57 °
Harrietta, Thursday, 15 October
Heavy rain. High 57°, low 45°.
Pressure30.15 inHg
Wind6.5 mph SE
Humidity67%
Visibility6.2 mi
Dew point45°
Fri, 1651° / 41°0.25
51 °
Harrietta, Friday, 16 October
Rain. High 51°, low 41°.
Pressure29.91 inHg
Wind11.3 mph N
Humidity97%
Visibility2.6 mi
Dew point47°
Sat, 1749° / 38°0
49 °
Harrietta, Saturday, 17 October
Clear. High 49°, low 38°.
Pressure30.45 inHg
Wind8.1 mph W
Humidity50%
Visibility6.2 mi
Dew point31°
Sun, 1857° / 45°0
57 °
Harrietta, Sunday, 18 October
Clear. High 57°, low 45°.
Pressure30.36 inHg
Wind16.4 mph SW
Humidity48%
Visibility—
Dew point36°
Mon, 1960° / 43°0
60 °
Harrietta, Monday, 19 October
Overcast. High 60°, low 43°.
Pressure30.39 inHg
Wind10.8 mph SW
Humidity52%
Visibility—
Dew point40°
Tue, 2065° / 45°0
65 °
Harrietta, Tuesday, 20 October
Clear. High 65°, low 45°.
Pressure30.27 inHg
Wind6 mph S
Humidity47%
Visibility—
Dew point41°
Wed, 2167° / 47°0
67 °
Harrietta, Wednesday, 21 October
Clear. High 67°, low 47°.
Pressure30.15 inHg
Wind9.3 mph SW
Humidity39%
Visibility—
Dew point38°
Thu, 2257° / 41°0.69
57 °
Harrietta, Thursday, 22 October
Rain. High 57°, low 41°.
Pressure30.03 inHg
Wind14.7 mph N
Humidity73%
Visibility—
Dew point46°
Fri, 2353° / 35°0
53 °
Harrietta, Friday, 23 October
Partly cloudy. High 53°, low 35°.
Pressure30.30 inHg
Wind13.4 mph SE
Humidity43%
Visibility—
Dew point29°
Sat, 2468° / 47°0.04
68 °
Harrietta, Saturday, 24 October
Light rain. High 68°, low 47°.
Pressure29.74 inHg
Wind20.4 mph SW
Humidity64%
Visibility—
Dew point53°
Sun, 2546° / 40°0.06
46 °
Harrietta, Sunday, 25 October
Light rain. High 46°, low 40°.
Pressure30.15 inHg
Wind17.3 mph NW
Humidity49%
Visibility—
Dew point27°
Mon, 2654° / 36°0
54 °
Harrietta, Monday, 26 October
Overcast. High 54°, low 36°.
Pressure30.06 inHg
Wind10.9 mph SW
Humidity43%
Visibility—
Dew point30°
Tue, 2758° / 41°0
58 °
Harrietta, Tuesday, 27 October
Clear. High 58°, low 41°.
Pressure29.97 inHg
Wind6.8 mph SW
Humidity51%
Visibility—
Dew point38°
Wed, 2850° / 45°0.32
50 °
Harrietta, Wednesday, 28 October
Rain. High 50°, low 45°.
Pressure29.68 inHg
Wind11.8 mph S
Humidity96%
Visibility—
Dew point47°
Thu, 2951° / 45°0.06
51 °
Harrietta, Thursday, 29 October
Light rain. High 51°, low 45°.
Pressure29.83 inHg
Wind15.6 mph N
Humidity74%
Visibility—
Dew point42°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 3051° / 37°0.09
51 °
Harrietta, Friday, 30 October
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.09 in
Chance of precipitation28%
Record high69° (2024)
Record low25° (1988)
Sat, 3151° / 38°0.1
51 °
Harrietta, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high51°
Average low38°
Average precipitation0.1 in
Chance of precipitation47%
Record high67° (1979)
Record low24° (2020)
Sun, 0149° / 38°0.13
49 °
Harrietta, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high49°
Average low38°
Average precipitation0.13 in
Chance of precipitation43%
Record high68° (1990)
Record low25° (2023)
Mon, 0249° / 36°0.13
49 °
Harrietta, Monday, 2 November
Climate normal for this date — 60-year average.
Average high49°
Average low36°
Average precipitation0.13 in
Chance of precipitation45%
Record high68° (1961)
Record low24° (1984)
Tue, 0348° / 36°0.09
48 °
Harrietta, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high48°
Average low36°
Average precipitation0.09 in
Chance of precipitation42%
Record high68° (1961)
Record low18° (1989)
Wed, 0447° / 36°0.1
47 °
Harrietta, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high47°
Average low36°
Average precipitation0.1 in
Chance of precipitation38%
Record high68° (2015)
Record low18° (1991)
Thu, 0548° / 36°0.12
48 °
Harrietta, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high48°
Average low36°
Average precipitation0.12 in
Chance of precipitation43%
Record high67° (1978)
Record low20° (1991)
Fri, 0647° / 34°0.14
47 °
Harrietta, Friday, 6 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.14 in
Chance of precipitation37%
Record high68° (1975)
Record low16° (1991)
Sat, 0746° / 34°0.04
46 °
Harrietta, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high46°
Average low34°
Average precipitation0.04 in
Chance of precipitation23%
Record high65° (2020)
Record low12° (1991)
Sun, 0846° / 33°0.07
46 °
Harrietta, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high46°
Average low33°
Average precipitation0.07 in
Chance of precipitation35%
Record high69° (2020)
Record low12° (1991)
Mon, 0945° / 33°0.11
45 °
Harrietta, Monday, 9 November
Climate normal for this date — 60-year average.
Average high45°
Average low33°
Average precipitation0.11 in
Chance of precipitation50%
Record high69° (2020)
Record low17° (1995)
Tue, 1045° / 33°0.11
45 °
Harrietta, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high45°
Average low33°
Average precipitation0.11 in
Chance of precipitation42%
Record high68° (2022)
Record low13° (2017)
Wed, 1142° / 31°0.1
42 °
Harrietta, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high42°
Average low31°
Average precipitation0.1 in
Chance of precipitation42%
Record high64° (2012)
Record low13° (2019)
Thu, 1241° / 30°0.08
41 °
Harrietta, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high41°
Average low30°
Average precipitation0.08 in
Chance of precipitation32%
Record high60° (2012)
Record low10° (2019)
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 Harrietta, MI 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 Harrietta, MI 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.