Monthly outlook for Cornish Flat, NH: average high 57.5°, average low 42.4°. That is 1.2° above the climate normal for October. Precipitation is expected on 7 days (about 1.9 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 11 October (71.7°), the coolest 7 October (32.1°).
57.5°/42.4°
Average high / low
+1.2°
Above normal
7 / 5
Wet days / normal
1.9 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
7 October – 16 October
59.1°
56.6°
+1.4°
17 October – 26 October
54.9°
52.6°
+1.3°
27 October – 5 November
at normal
48.9°
—
October records over 66 years
81.5°4 October 2023All-time high
16.7°24 October 1969All-time low
Climate normals and records are computed from the nearest reference point — Plainfield (4 mi).
Thu, 0865° / 45°0.05
65 °
Cornish Flat, Thursday, 8 October
Light rain. High 65°, low 45°.
Pressure29.77 inHg
Wind11 mph W
Humidity57%
Visibility6.2 mi
Dew point47°
Fri, 0958° / 42°0
58 °
Cornish Flat, Friday, 9 October
Mostly clear. High 58°, low 42°.
Pressure30.06 inHg
Wind11.6 mph W
Humidity48%
Visibility6.2 mi
Dew point38°
Sat, 1063° / 34°0
63 °
Cornish Flat, Saturday, 10 October
Clear. High 63°, low 34°.
Pressure30.42 inHg
Wind2.1 mph SW
Humidity43%
Visibility6.2 mi
Dew point37°
Sun, 1172° / 46°0
72 °
Cornish Flat, Sunday, 11 October
Overcast. High 72°, low 46°.
Pressure30.24 inHg
Wind6.6 mph S
Humidity53%
Visibility6.2 mi
Dew point49°
Mon, 1262° / 54°0.33
62 °
Cornish Flat, Monday, 12 October
Light rain. High 62°, low 54°.
Pressure29.74 inHg
Wind6.1 mph S
Humidity97%
Visibility—
Dew point58°
Tue, 1352° / 37°0.94
52 °
Cornish Flat, Tuesday, 13 October
Rain. High 52°, low 37°.
Pressure29.91 inHg
Wind9.2 mph SE
Humidity99%
Visibility—
Dew point39°
Wed, 1445° / 37°0.21
45 °
Cornish Flat, Wednesday, 14 October
Rain. High 45°, low 37°.
Pressure29.65 inHg
Wind15.3 mph NW
Humidity92%
Visibility—
Dew point36°
Thu, 1549° / 39°0
49 °
Cornish Flat, Thursday, 15 October
Overcast. High 49°, low 39°.
Pressure30.12 inHg
Wind14.1 mph N
Humidity79%
Visibility—
Dew point37°
Fri, 1665° / 45°0
65 °
Cornish Flat, Friday, 16 October
Partly cloudy. High 65°, low 45°.
Pressure30.09 inHg
Wind4.2 mph N
Humidity65%
Visibility—
Dew point44°
Sat, 1763° / 51°0
63 °
Cornish Flat, Saturday, 17 October
Overcast. High 63°, low 51°.
Pressure30.06 inHg
Wind4 mph SE
Humidity79%
Visibility—
Dew point53°
Sun, 1860° / 56°0.04
60 °
Cornish Flat, Sunday, 18 October
Light rain. High 60°, low 56°.
Pressure29.94 inHg
Wind2.9 mph SE
Humidity89%
Visibility—
Dew point56°
Mon, 1959° / 47°0.06
59 °
Cornish Flat, Monday, 19 October
Light rain. High 59°, low 47°.
Pressure29.83 inHg
Wind9.7 mph W
Humidity95%
Visibility—
Dew point54°
Tue, 2056° / 40°0
56 °
Cornish Flat, Tuesday, 20 October
Partly cloudy. High 56°, low 40°.
Pressure29.94 inHg
Wind8.1 mph W
Humidity58%
Visibility—
Dew point38°
Wed, 2141° / 38°0.27
41 °
Cornish Flat, Wednesday, 21 October
Light rain. High 41°, low 38°.
Pressure29.97 inHg
Wind4.5 mph NW
Humidity95%
Visibility—
Dew point39°
Thu, 2251° / 35°0
51 °
Cornish Flat, Thursday, 22 October
Mostly clear. High 51°, low 35°.
Pressure30.09 inHg
Wind7.9 mph N
Humidity77%
Visibility—
Dew point37°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 2352° / 37°0.13
52 °
Cornish Flat, Friday, 23 October
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.13 in
Chance of precipitation38%
Record high72° (2024)
Record low22° (1969)
Sat, 2452° / 36°0.11
52 °
Cornish Flat, Saturday, 24 October
Climate normal for this date — 60-year average.
Average high52°
Average low36°
Average precipitation0.11 in
Chance of precipitation33%
Record high73° (1963)
Record low17° (1969)
Sun, 2551° / 37°0.15
51 °
Cornish Flat, Sunday, 25 October
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.15 in
Chance of precipitation35%
Record high76° (1963)
Record low26° (2002)
Mon, 2651° / 37°0.13
51 °
Cornish Flat, Monday, 26 October
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.13 in
Chance of precipitation35%
Record high74° (1963)
Record low26° (2018)
Tue, 2750° / 36°0.13
50 °
Cornish Flat, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high50°
Average low36°
Average precipitation0.13 in
Chance of precipitation25%
Record high73° (2023)
Record low24° (1976)
Wed, 2850° / 35°0.17
50 °
Cornish Flat, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high50°
Average low35°
Average precipitation0.17 in
Chance of precipitation35%
Record high72° (2023)
Record low24° (1974)
Thu, 2948° / 34°0.11
48 °
Cornish Flat, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high48°
Average low34°
Average precipitation0.11 in
Chance of precipitation33%
Record high65° (1989)
Record low24° (2013)
Fri, 3048° / 33°0.11
48 °
Cornish Flat, Friday, 30 October
Climate normal for this date — 60-year average.
Average high48°
Average low33°
Average precipitation0.11 in
Chance of precipitation23%
Record high65° (1989)
Record low25° (1978)
Sat, 3149° / 34°0.09
49 °
Cornish Flat, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high49°
Average low34°
Average precipitation0.09 in
Chance of precipitation27%
Record high74° (2024)
Record low21° (2020)
Sun, 0150° / 35°0.1
50 °
Cornish Flat, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high50°
Average low35°
Average precipitation0.1 in
Chance of precipitation28%
Record high67° (1974)
Record low25° (1964)
Mon, 0249° / 35°0.1
49 °
Cornish Flat, Monday, 2 November
Climate normal for this date — 60-year average.
Average high49°
Average low35°
Average precipitation0.1 in
Chance of precipitation35%
Record high66° (2001)
Record low21° (2002)
Tue, 0349° / 35°0.16
49 °
Cornish Flat, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high49°
Average low35°
Average precipitation0.16 in
Chance of precipitation38%
Record high67° (1982)
Record low18° (2002)
Wed, 0448° / 34°0.1
48 °
Cornish Flat, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high48°
Average low34°
Average precipitation0.1 in
Chance of precipitation22%
Record high66° (1994)
Record low23° (2013)
Thu, 0547° / 34°0.13
47 °
Cornish Flat, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.13 in
Chance of precipitation35%
Record high71° (2022)
Record low22° (1986)
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 Cornish Flat, NH 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 Cornish Flat, NH 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.