Monthly outlook for Groveton, NH: average high 73.3°, average low 54.2°. That is 0.6° above the climate normal for August. Precipitation is expected on 11 days (about 3.6 inches), against a normal of 7 days and 2.0 inches. The warmest day looks like 9 August (86°), the coolest 22 August (44.2°).
73.3°/54.2°
Average high / low
+0.6°
Above normal
11 / 7
Wet days / normal
3.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
8 August – 17 August
75.5°
73.1°
+1.4°
18 August – 27 August
69.5°
70.9°
-0.7°
28 August – 6 September
at normal
69.3°
—
August records over 66 years
91.4°2 August 1975All-time high
34°31 August 1965All-time low
Climate normals and records are computed from the nearest reference point — Berlin (15 mi).
Sun, 0986° / 65°0.04
86 °
Groveton, Sunday, 9 August
Light rain. High 86°, low 65°.
Pressure29.88 inHg
Wind10.4 mph W
Humidity44%
Visibility6.2 mi
Dew point56°
Mon, 1082° / 62°0.42
82 °
Groveton, Monday, 10 August
Rain. High 82°, low 62°.
Pressure29.91 inHg
Wind2.5 mph SW
Humidity52%
Visibility6.2 mi
Dew point57°
Tue, 1178° / 58°0.31
78 °
Groveton, Tuesday, 11 August
Rain. High 78°, low 58°.
Pressure29.77 inHg
Wind8.7 mph W
Humidity76%
Visibility6.2 mi
Dew point62°
Wed, 1274° / 58°0.55
74 °
Groveton, Wednesday, 12 August
Rain. High 74°, low 58°.
Pressure29.71 inHg
Wind3.6 mph SW
Humidity45%
Visibility6.2 mi
Dew point53°
Thu, 1373° / 52°0.36
73 °
Groveton, Thursday, 13 August
Rain. High 73°, low 52°.
Pressure29.71 inHg
Wind11.6 mph W
Humidity92%
Visibility—
Dew point61°
Fri, 1465° / 47°0.03
65 °
Groveton, Friday, 14 August
Light rain. High 65°, low 47°.
Pressure29.91 inHg
Wind13.8 mph W
Humidity63%
Visibility—
Dew point45°
Sat, 1568° / 50°0.01
68 °
Groveton, Saturday, 15 August
Light rain. High 68°, low 50°.
Pressure30.00 inHg
Wind12.3 mph NW
Humidity74%
Visibility—
Dew point50°
Sun, 1672° / 47°0
72 °
Groveton, Sunday, 16 August
Clear. High 72°, low 47°.
Pressure30.15 inHg
Wind6 mph NW
Humidity47%
Visibility—
Dew point45°
Mon, 1775° / 49°0
75 °
Groveton, Monday, 17 August
Overcast. High 75°, low 49°.
Pressure30.15 inHg
Wind4.9 mph SW
Humidity49%
Visibility—
Dew point48°
Tue, 1871° / 55°0.21
71 °
Groveton, Tuesday, 18 August
Light rain. High 71°, low 55°.
Pressure30.09 inHg
Wind5.2 mph SW
Humidity95%
Visibility—
Dew point62°
Wed, 1977° / 58°0.06
77 °
Groveton, Wednesday, 19 August
Light rain. High 77°, low 58°.
Pressure29.94 inHg
Wind7.6 mph SW
Humidity66%
Visibility—
Dew point60°
Thu, 2068° / 58°0.96
68 °
Groveton, Thursday, 20 August
Rain. High 68°, low 58°.
Pressure29.59 inHg
Wind4.5 mph SW
Humidity100%
Visibility—
Dew point62°
Fri, 2158° / 50°0.16
58 °
Groveton, Friday, 21 August
Light rain. High 58°, low 50°.
Pressure29.65 inHg
Wind7.2 mph W
Humidity99%
Visibility—
Dew point55°
Sat, 2267° / 44°0
67 °
Groveton, Saturday, 22 August
Clear. High 67°, low 44°.
Pressure29.97 inHg
Wind12.4 mph W
Humidity39%
Visibility—
Dew point35°
Sun, 2377° / 46°0.07
77 °
Groveton, Sunday, 23 August
Light rain. High 77°, low 46°.
Pressure30.03 inHg
Wind7.5 mph SW
Humidity35%
Visibility—
Dew point38°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2470° / 54°0.1
70 °
Groveton, Monday, 24 August
Climate normal for this date — 60-year average.
Average high70°
Average low54°
Average precipitation0.1 in
Chance of precipitation40%
Record high81° (1969)
Record low44° (1971)
Tue, 2571° / 53°0.13
71 °
Groveton, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high71°
Average low53°
Average precipitation0.13 in
Chance of precipitation40%
Record high83° (2007)
Record low39° (1971)
Wed, 2672° / 54°0.05
72 °
Groveton, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high72°
Average low54°
Average precipitation0.05 in
Chance of precipitation35%
Record high84° (1993)
Record low41° (1963)
Thu, 2771° / 55°0.09
71 °
Groveton, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high71°
Average low55°
Average precipitation0.09 in
Chance of precipitation42%
Record high83° (1993)
Record low41° (1989)
Fri, 2871° / 55°0.17
71 °
Groveton, Friday, 28 August
Climate normal for this date — 60-year average.
Average high71°
Average low55°
Average precipitation0.17 in
Chance of precipitation40%
Record high84° (1977)
Record low43° (2025)
Sat, 2970° / 54°0.15
70 °
Groveton, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high70°
Average low54°
Average precipitation0.15 in
Chance of precipitation45%
Record high85° (1977)
Record low39° (1982)
Sun, 3070° / 53°0.1
70 °
Groveton, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high70°
Average low53°
Average precipitation0.1 in
Chance of precipitation40%
Record high83° (1991)
Record low39° (1965)
Mon, 3169° / 53°0.11
69 °
Groveton, Monday, 31 August
Climate normal for this date — 60-year average.
Average high69°
Average low53°
Average precipitation0.11 in
Chance of precipitation33%
Record high82° (1973)
Record low34° (1965)
Tue, 0169° / 52°0.07
69 °
Groveton, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high69°
Average low52°
Average precipitation0.07 in
Chance of precipitation27%
Record high84° (2010)
Record low40° (1967)
Wed, 0269° / 52°0.09
69 °
Groveton, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high69°
Average low52°
Average precipitation0.09 in
Chance of precipitation30%
Record high84° (2010)
Record low39° (1991)
Thu, 0368° / 53°0.14
68 °
Groveton, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high68°
Average low53°
Average precipitation0.14 in
Chance of precipitation45%
Record high85° (2010)
Record low40° (1976)
Fri, 0469° / 53°0.1
69 °
Groveton, Friday, 4 September
Climate normal for this date — 60-year average.
Average high69°
Average low53°
Average precipitation0.1 in
Chance of precipitation35%
Record high85° (1999)
Record low38° (1987)
Sat, 0569° / 52°0.09
69 °
Groveton, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high69°
Average low52°
Average precipitation0.09 in
Chance of precipitation27%
Record high82° (2014)
Record low38° (1963)
Sun, 0668° / 51°0.13
68 °
Groveton, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high68°
Average low51°
Average precipitation0.13 in
Chance of precipitation32%
Record high82° (1983)
Record low38° (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 Groveton, 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 Groveton, 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.