Weather in Fort Duvall, MA
Fort Duvall, Sunday, 9 August, 07:27
Partly cloudy. Feels like 74°. High 93°, low 73°.
Monthly outlook for Fort Duvall, MA: average high 81.5°, average low 66.9°. That is 1.9° above the climate normal for August. Precipitation is expected on 3 days (about 0.2 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 9 August (93.2°), the coolest 15 August (58.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 82.2° | 78.9° | +1.8° |
| 19 August – 28 August | 80.3° | 77° | +1.8° |
| 29 August – 7 September | at normal | 75.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Winthrop (7 mi).
0
Fort Duvall, Monday, 10 August
Clear. High 90°, low 72°.
0
Fort Duvall, Tuesday, 11 August
Overcast. High 88°, low 71°.
0Fort Duvall, Wednesday, 12 August
Overcast. High 80°, low 69°.
0.04
Fort Duvall, Thursday, 13 August
Light rain. High 82°, low 67°.
0Fort Duvall, Friday, 14 August
Clear. High 76°, low 61°.
0Fort Duvall, Saturday, 15 August
Clear. High 78°, low 58°.
0Fort Duvall, Sunday, 16 August
Overcast. High 75°, low 64°.
0.09Fort Duvall, Monday, 17 August
Light rain. High 82°, low 64°.
0.01Fort Duvall, Tuesday, 18 August
Light rain. High 77°, low 62°.
0Fort Duvall, Wednesday, 19 August
Overcast. High 73°, low 64°.
0Fort Duvall, Thursday, 20 August
Overcast. High 85°, low 66°.
0.02Fort Duvall, Friday, 21 August
Light rain. High 89°, low 71°.
0.06Fort Duvall, Saturday, 22 August
Light rain. High 85°, low 72°.
0.01Fort Duvall, Sunday, 23 August
Light rain. High 79°, low 69°.
0Fort Duvall, Monday, 24 August
Overcast. High 71°, low 65°.
0.11Fort Duvall, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06
Fort Duvall, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.08Fort Duvall, Thursday, 27 August
Climate normal for this date — 60-year average.
0.11Fort Duvall, Friday, 28 August
Climate normal for this date — 60-year average.
0.16Fort Duvall, Saturday, 29 August
Climate normal for this date — 60-year average.
0.15Fort Duvall, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Fort Duvall, Monday, 31 August
Climate normal for this date — 60-year average.
0.05Fort Duvall, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.16Fort Duvall, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13
Fort Duvall, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Fort Duvall, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Fort Duvall, Saturday, 5 September
Climate normal for this date — 60-year average.
0.15Fort Duvall, Sunday, 6 September
Climate normal for this date — 60-year average.
0.13Fort Duvall, Monday, 7 September
Climate normal for this date — 60-year average.
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 Fort Duvall, 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 Fort Duvall, 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.
Sun and moon today
Weather history
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