Monthly outlook for North Grantham, NH: average high 55°, average low 35.6°. That is 1.9° above the climate normal for October. Precipitation is expected on 3 days (about 0.8 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 19 October (64.1°), the coolest 18 October (26.4°).
55°/35.6°
Average high / low
+1.9°
Above normal
3 / 5
Wet days / normal
0.8 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
16 October – 25 October
57.6°
52.9°
+2.6°
26 October – 4 November
50.7°
49.3°
+0.8°
5 November – 14 November
at normal
44.6°
—
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 (8 mi).
Sat, 1749° / 29°0
49 °
North Grantham, Saturday, 17 October
Mostly clear. High 49°, low 29°.
Pressure30.18 inHg
Wind12.5 mph NW
Humidity63%
Visibility6.2 mi
Dew point23°
Sun, 1855° / 26°0
55 °
North Grantham, Sunday, 18 October
Clear. High 55°, low 26°.
Pressure30.53 inHg
Wind3.2 mph SW
Humidity48%
Visibility6.2 mi
Dew point28°
Mon, 1964° / 34°0
64 °
North Grantham, Monday, 19 October
Clear. High 64°, low 34°.
Pressure30.45 inHg
Wind2.6 mph SW
Humidity46%
Visibility6.2 mi
Dew point37°
Tue, 2062° / 38°0
62 °
North Grantham, Tuesday, 20 October
Clear. High 62°, low 38°.
Pressure30.30 inHg
Wind5.4 mph N
Humidity58%
Visibility6.2 mi
Dew point43°
Wed, 2156° / 35°0
56 °
North Grantham, Wednesday, 21 October
Clear. High 56°, low 35°.
Pressure30.42 inHg
Wind4 mph SE
Humidity58%
Visibility—
Dew point33°
Thu, 2257° / 33°0
57 °
North Grantham, Thursday, 22 October
Clear. High 57°, low 33°.
Pressure30.21 inHg
Wind6.3 mph NE
Humidity60%
Visibility—
Dew point33°
Fri, 2354° / 34°0
54 °
North Grantham, Friday, 23 October
Clear. High 54°, low 34°.
Pressure30.27 inHg
Wind9.8 mph N
Humidity60%
Visibility—
Dew point34°
Sat, 2457° / 32°0
57 °
North Grantham, Saturday, 24 October
Clear. High 57°, low 32°.
Pressure30.42 inHg
Wind4.2 mph N
Humidity44%
Visibility—
Dew point27°
Sun, 2562° / 36°0
62 °
North Grantham, Sunday, 25 October
Clear. High 62°, low 36°.
Pressure30.09 inHg
Wind12.2 mph NW
Humidity46%
Visibility—
Dew point31°
Mon, 2645° / 35°0
45 °
North Grantham, Monday, 26 October
Overcast. High 45°, low 35°.
Pressure30.06 inHg
Wind20.2 mph NW
Humidity60%
Visibility—
Dew point27°
Tue, 2752° / 29°0
52 °
North Grantham, Tuesday, 27 October
Overcast. High 52°, low 29°.
Pressure30.27 inHg
Wind6.6 mph NW
Humidity47%
Visibility—
Dew point24°
Wed, 2853° / 40°0.01
53 °
North Grantham, Wednesday, 28 October
Light rain. High 53°, low 40°.
Pressure30.00 inHg
Wind4.6 mph SW
Humidity70%
Visibility—
Dew point37°
Thu, 2952° / 42°0
52 °
North Grantham, Thursday, 29 October
Partly cloudy. High 52°, low 42°.
Pressure30.06 inHg
Wind3 mph SE
Humidity70%
Visibility—
Dew point41°
Fri, 3052° / 40°0.09
52 °
North Grantham, Friday, 30 October
Light rain. High 52°, low 40°.
Pressure30.09 inHg
Wind6.3 mph SE
Humidity69%
Visibility—
Dew point40°
Sat, 3149° / 46°0.33
49 °
North Grantham, Saturday, 31 October
Rain. High 49°, low 46°.
Pressure29.71 inHg
Wind4.7 mph SE
Humidity98%
Visibility—
Dew point46°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 0150° / 35°0.1
50 °
North Grantham, 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 °
North Grantham, 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 °
North Grantham, 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 °
North Grantham, 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 °
North Grantham, 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)
Fri, 0647° / 35°0.13
47 °
North Grantham, Friday, 6 November
Climate normal for this date — 60-year average.
Average high47°
Average low35°
Average precipitation0.13 in
Chance of precipitation38%
Record high72° (2024)
Record low22° (1962)
Sat, 0746° / 33°0.07
46 °
North Grantham, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high46°
Average low33°
Average precipitation0.07 in
Chance of precipitation28%
Record high67° (2020)
Record low11° (2002)
Sun, 0845° / 32°0.09
45 °
North Grantham, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high45°
Average low32°
Average precipitation0.09 in
Chance of precipitation27%
Record high67° (2020)
Record low10° (2002)
Mon, 0945° / 31°0.11
45 °
North Grantham, Monday, 9 November
Climate normal for this date — 60-year average.
Average high45°
Average low31°
Average precipitation0.11 in
Chance of precipitation30%
Record high66° (2020)
Record low17° (1971)
Tue, 1046° / 32°0.13
46 °
North Grantham, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high46°
Average low32°
Average precipitation0.13 in
Chance of precipitation38%
Record high68° (2020)
Record low18° (2017)
Wed, 1144° / 32°0.14
44 °
North Grantham, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high44°
Average low32°
Average precipitation0.14 in
Chance of precipitation40%
Record high68° (2020)
Record low15° (2017)
Thu, 1243° / 30°0.13
43 °
North Grantham, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high43°
Average low30°
Average precipitation0.13 in
Chance of precipitation37%
Record high65° (2022)
Record low16° (2019)
Fri, 1341° / 29°0.13
41 °
North Grantham, Friday, 13 November
Climate normal for this date — 60-year average.
Average high41°
Average low29°
Average precipitation0.13 in
Chance of precipitation37%
Record high59° (1964)
Record low9° (2019)
Sat, 1442° / 29°0.1
42 °
North Grantham, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high42°
Average low29°
Average precipitation0.1 in
Chance of precipitation27%
Record high60° (1989)
Record low11° (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 North Grantham, 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 North Grantham, 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.