Monthly outlook for North Marshfield, MA: average high 80.3°, average low 65.6°. That is 1.4° above the climate normal for August. Precipitation is expected on 4 days (about 0.5 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 9 August (92.2°), the coolest 15 August (57.8°).
80.3°/65.6°
Average high / low
+1.4°
Above normal
4 / 5
Wet days / normal
0.5 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
80.9°
78.5°
+1.3°
19 August – 28 August
79.2°
76.7°
+1.4°
29 August – 7 September
at normal
74.9°
—
August records over 66 years
97.2°4 August 2022All-time high
49.1°30 August 1965All-time low
Climate normals and records are computed from the nearest reference point — Quincy (15 mi).
Mon, 1088° / 70°0
88 °
North Marshfield, Monday, 10 August
Clear. High 88°, low 70°.
Pressure29.97 inHg
Wind6.6 mph SE
Humidity48%
Visibility6.2 mi
Dew point61°
Tue, 1187° / 70°0
87 °
North Marshfield, Tuesday, 11 August
Overcast. High 87°, low 70°.
Pressure29.77 inHg
Wind5.3 mph SW
Humidity56%
Visibility6.2 mi
Dew point62°
Wed, 1276° / 67°0
76 °
North Marshfield, Wednesday, 12 August
Overcast. High 76°, low 67°.
Pressure29.77 inHg
Wind3.4 mph E
Humidity40%
Visibility6.2 mi
Dew point54°
Thu, 1382° / 66°0.07
82 °
North Marshfield, Thursday, 13 August
Light rain. High 82°, low 66°.
Pressure29.65 inHg
Wind15.2 mph W
Humidity67%
Visibility—
Dew point65°
Fri, 1475° / 60°0
75 °
North Marshfield, Friday, 14 August
Clear. High 75°, low 60°.
Pressure29.85 inHg
Wind17.4 mph NW
Humidity42%
Visibility—
Dew point45°
Sat, 1577° / 58°0
77 °
North Marshfield, Saturday, 15 August
Clear. High 77°, low 58°.
Pressure29.91 inHg
Wind15.8 mph W
Humidity43%
Visibility—
Dew point46°
Sun, 1674° / 62°0
74 °
North Marshfield, Sunday, 16 August
Overcast. High 74°, low 62°.
Pressure30.09 inHg
Wind10.7 mph NW
Humidity43%
Visibility—
Dew point48°
Mon, 1782° / 62°0.17
82 °
North Marshfield, Monday, 17 August
Rain. High 82°, low 62°.
Pressure30.00 inHg
Wind15 mph SW
Humidity44%
Visibility—
Dew point53°
Tue, 1875° / 61°0.08
75 °
North Marshfield, Tuesday, 18 August
Light rain. High 75°, low 61°.
Pressure30.03 inHg
Wind10.4 mph SE
Humidity52%
Visibility—
Dew point54°
Wed, 1974° / 64°0
74 °
North Marshfield, Wednesday, 19 August
Overcast. High 74°, low 64°.
Pressure30.15 inHg
Wind9 mph NE
Humidity63%
Visibility—
Dew point59°
Thu, 2084° / 66°0
84 °
North Marshfield, Thursday, 20 August
Overcast. High 84°, low 66°.
Pressure30.09 inHg
Wind13.3 mph S
Humidity51%
Visibility—
Dew point59°
Fri, 2187° / 71°0.01
87 °
North Marshfield, Friday, 21 August
Light rain. High 87°, low 71°.
Pressure29.88 inHg
Wind15.8 mph SW
Humidity54%
Visibility—
Dew point64°
Sat, 2282° / 72°0.13
82 °
North Marshfield, Saturday, 22 August
Light rain. High 82°, low 72°.
Pressure29.85 inHg
Wind12.5 mph SW
Humidity66%
Visibility—
Dew point68°
Sun, 2377° / 68°0
77 °
North Marshfield, Sunday, 23 August
Overcast. High 77°, low 68°.
Pressure29.94 inHg
Wind9.1 mph N
Humidity74%
Visibility—
Dew point66°
Mon, 2472° / 65°0.01
72 °
North Marshfield, Monday, 24 August
Light rain. High 72°, low 65°.
Pressure30.06 inHg
Wind13.6 mph NE
Humidity79%
Visibility—
Dew point65°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2576° / 63°0.09
76 °
North Marshfield, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high76°
Average low63°
Average precipitation0.09 in
Chance of precipitation28%
Record high92° (1969)
Record low54° (1971)
Wed, 2678° / 63°0.06
78 °
North Marshfield, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high78°
Average low63°
Average precipitation0.06 in
Chance of precipitation15%
Record high90° (2021)
Record low51° (1981)
Thu, 2777° / 64°0.07
77 °
North Marshfield, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high77°
Average low64°
Average precipitation0.07 in
Chance of precipitation28%
Record high92° (1993)
Record low52° (2019)
Fri, 2877° / 64°0.11
77 °
North Marshfield, Friday, 28 August
Climate normal for this date — 60-year average.
Average high77°
Average low64°
Average precipitation0.11 in
Chance of precipitation35%
Record high93° (2018)
Record low55° (1986)
Sat, 2976° / 63°0.17
76 °
North Marshfield, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high76°
Average low63°
Average precipitation0.17 in
Chance of precipitation25%
Record high95° (2018)
Record low49° (1982)
Sun, 3077° / 63°0.15
77 °
North Marshfield, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high77°
Average low63°
Average precipitation0.15 in
Chance of precipitation22%
Record high89° (1973)
Record low49° (1965)
Mon, 3176° / 62°0.07
76 °
North Marshfield, Monday, 31 August
Climate normal for this date — 60-year average.
Average high76°
Average low62°
Average precipitation0.07 in
Chance of precipitation23%
Record high89° (2010)
Record low49° (1965)
Tue, 0175° / 62°0.06
75 °
North Marshfield, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high75°
Average low62°
Average precipitation0.06 in
Chance of precipitation22%
Record high90° (2010)
Record low52° (1975)
Wed, 0274° / 61°0.17
74 °
North Marshfield, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high74°
Average low61°
Average precipitation0.17 in
Chance of precipitation25%
Record high91° (2010)
Record low51° (2017)
Thu, 0374° / 61°0.14
74 °
North Marshfield, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high74°
Average low61°
Average precipitation0.14 in
Chance of precipitation33%
Record high93° (2018)
Record low51° (1967)
Fri, 0475° / 61°0.12
75 °
North Marshfield, Friday, 4 September
Climate normal for this date — 60-year average.
Average high75°
Average low61°
Average precipitation0.12 in
Chance of precipitation22%
Record high87° (1973)
Record low52° (1987)
Sat, 0574° / 61°0.07
74 °
North Marshfield, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high74°
Average low61°
Average precipitation0.07 in
Chance of precipitation17%
Record high89° (2018)
Record low50° (1994)
Sun, 0674° / 61°0.15
74 °
North Marshfield, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high74°
Average low61°
Average precipitation0.15 in
Chance of precipitation35%
Record high94° (2018)
Record low49° (1965)
Mon, 0774° / 60°0.12
74 °
North Marshfield, Monday, 7 September
Climate normal for this date — 60-year average.
Average high74°
Average low60°
Average precipitation0.12 in
Chance of precipitation28%
Record high90° (1983)
Record low50° (1984)
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 Marshfield, MA 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 Marshfield, MA 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.