Monthly outlook for Onawa, ME: average high 50.1°, average low 36.9°. That is 0.2° above the climate normal for October. Precipitation is expected on 7 days (about 2.4 inches), against a normal of 6 days and 2.2 inches. The warmest day looks like 24 October (67°), the coolest 19 October (24.6°).
50.1°/36.9°
Average high / low
+0.2°
Above normal
7 / 6
Wet days / normal
2.4 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
12 October – 21 October
48.2°
50.8°
-1.5°
22 October – 31 October
53.2°
47°
+3.5°
1 November – 10 November
at normal
43.1°
—
October records over 66 years
80.8°6 October 2025All-time high
21.9°20 October 1972All-time low
Climate normals and records are computed from the nearest reference point — Greenville (11 mi).
Tue, 1343° / 38°0.62
43 °
Onawa, Tuesday, 13 October
Rain. High 43°, low 38°.
Pressure30.12 inHg
Wind8.1 mph E
Humidity92%
Visibility3.0 mi
Dew point35°
Wed, 1451° / 41°0.33
51 °
Onawa, Wednesday, 14 October
Rain. High 51°, low 41°.
Pressure29.74 inHg
Wind4 mph W
Humidity91%
Visibility6.2 mi
Dew point47°
Thu, 1550° / 39°0
50 °
Onawa, Thursday, 15 October
Partly cloudy. High 50°, low 39°.
Pressure30.12 inHg
Wind14.1 mph NW
Humidity53%
Visibility6.2 mi
Dew point28°
Fri, 1642° / 37°0.69
42 °
Onawa, Friday, 16 October
Rain. High 42°, low 37°.
Pressure29.80 inHg
Wind7.8 mph E
Humidity98%
Visibility2.1 mi
Dew point38°
Sat, 1740° / 31°0.09
40 °
Onawa, Saturday, 17 October
Snow. High 40°, low 31°.
Pressure29.74 inHg
Wind18.9 mph NW
Humidity72%
Visibility—
Dew point31°
Sun, 1838° / 26°0
38 °
Onawa, Sunday, 18 October
Clear. High 38°, low 26°.
Pressure30.30 inHg
Wind13.7 mph NW
Humidity61%
Visibility—
Dew point22°
Mon, 1949° / 25°0
49 °
Onawa, Monday, 19 October
Mostly clear. High 49°, low 25°.
Pressure30.59 inHg
Wind12 mph S
Humidity53%
Visibility—
Dew point23°
Tue, 2053° / 37°0
53 °
Onawa, Tuesday, 20 October
Partly cloudy. High 53°, low 37°.
Pressure30.36 inHg
Wind8.2 mph NW
Humidity62%
Visibility—
Dew point37°
Wed, 2154° / 35°0
54 °
Onawa, Wednesday, 21 October
Overcast. High 54°, low 35°.
Pressure30.18 inHg
Wind10.6 mph NW
Humidity61%
Visibility—
Dew point34°
Thu, 2249° / 33°0
49 °
Onawa, Thursday, 22 October
Clear. High 49°, low 33°.
Pressure30.30 inHg
Wind8.2 mph N
Humidity48%
Visibility—
Dew point25°
Fri, 2347° / 35°0.06
47 °
Onawa, Friday, 23 October
Light rain. High 47°, low 35°.
Pressure30.18 inHg
Wind3.5 mph S
Humidity95%
Visibility—
Dew point39°
Sat, 2467° / 49°0.09
67 °
Onawa, Saturday, 24 October
Light rain. High 67°, low 49°.
Pressure29.62 inHg
Wind13.6 mph W
Humidity77%
Visibility—
Dew point55°
Sun, 2560° / 42°0.45
60 °
Onawa, Sunday, 25 October
Rain. High 60°, low 42°.
Pressure29.62 inHg
Wind7.6 mph W
Humidity96%
Visibility—
Dew point52°
Mon, 2643° / 41°0
43 °
Onawa, Monday, 26 October
Overcast. High 43°, low 41°.
Pressure30.21 inHg
Wind3 mph W
Humidity90%
Visibility—
Dew point39°
Tue, 2752° / 39°0
52 °
Onawa, Tuesday, 27 October
Clear. High 52°, low 39°.
Pressure30.24 inHg
Wind6.9 mph NW
Humidity67%
Visibility—
Dew point37°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 2847° / 34°0.17
47 °
Onawa, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.17 in
Chance of precipitation33%
Record high69° (2023)
Record low22° (1976)
Thu, 2946° / 33°0.12
46 °
Onawa, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high46°
Average low33°
Average precipitation0.12 in
Chance of precipitation28%
Record high64° (1989)
Record low22° (1965)
Fri, 3044° / 33°0.14
44 °
Onawa, Friday, 30 October
Climate normal for this date — 60-year average.
Average high44°
Average low33°
Average precipitation0.14 in
Chance of precipitation25%
Record high64° (1989)
Record low23° (1962)
Sat, 3146° / 34°0.1
46 °
Onawa, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high46°
Average low34°
Average precipitation0.1 in
Chance of precipitation27%
Record high70° (2024)
Record low24° (2020)
Sun, 0146° / 34°0.1
46 °
Onawa, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high46°
Average low34°
Average precipitation0.1 in
Chance of precipitation33%
Record high65° (2024)
Record low23° (1965)
Mon, 0244° / 34°0.17
44 °
Onawa, Monday, 2 November
Climate normal for this date — 60-year average.
Average high44°
Average low34°
Average precipitation0.17 in
Chance of precipitation38%
Record high58° (2001)
Record low15° (2002)
Tue, 0344° / 33°0.2
44 °
Onawa, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high44°
Average low33°
Average precipitation0.2 in
Chance of precipitation48%
Record high58° (2017)
Record low15° (2002)
Wed, 0444° / 33°0.07
44 °
Onawa, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high44°
Average low33°
Average precipitation0.07 in
Chance of precipitation32%
Record high64° (2022)
Record low19° (2002)
Thu, 0544° / 32°0.13
44 °
Onawa, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high44°
Average low32°
Average precipitation0.13 in
Chance of precipitation37%
Record high67° (2022)
Record low17° (1965)
Fri, 0643° / 33°0.11
43 °
Onawa, Friday, 6 November
Climate normal for this date — 60-year average.
Average high43°
Average low33°
Average precipitation0.11 in
Chance of precipitation40%
Record high69° (2022)
Record low22° (1973)
Sat, 0743° / 32°0.07
43 °
Onawa, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high43°
Average low32°
Average precipitation0.07 in
Chance of precipitation33%
Record high62° (2020)
Record low11° (2002)
Sun, 0841° / 31°0.09
41 °
Onawa, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high41°
Average low31°
Average precipitation0.09 in
Chance of precipitation25%
Record high57° (1975)
Record low11° (2002)
Mon, 0941° / 30°0.11
41 °
Onawa, Monday, 9 November
Climate normal for this date — 60-year average.
Average high41°
Average low30°
Average precipitation0.11 in
Chance of precipitation35%
Record high65° (2020)
Record low16° (1971)
Tue, 1041° / 30°0.09
41 °
Onawa, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high41°
Average low30°
Average precipitation0.09 in
Chance of precipitation40%
Record high67° (2020)
Record low15° (1965)
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 Onawa, ME 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 Onawa, ME 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.