10-day forecast for Old Harbor, MA: 63° to 91°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Monday, August 10
76° · 0.5 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1086° / 71°0
Morning76°feels 77°
Afternoon86°feels 92°
Evening79°feels 80°
Overnight74°feels 74°
86 °
Old Harbor, Monday, 10 August
Clear. High 86°, low 71°.
Pressure30.00 inHg
Wind7.2 mph S
Humidity64%
Visibility6.2 mi
Dew point63°
Tue, 1178° / 73°0.09
Morning74°feels 75°
Afternoon78°feels 79°
Evening76°feels 77°
Overnight75°feels 76°
78 °
Old Harbor, Tuesday, 11 August
Light rain. High 78°, low 73°.
Pressure29.77 inHg
Wind9 mph W
Humidity76%
Visibility6.2 mi
Dew point68°
Wed, 1275° / 71°0.03
Morning72°feels 72°
Afternoon74°feels 74°
Evening73°feels 73°
Overnight73°feels 73°
75 °
Old Harbor, Wednesday, 12 August
Light rain. High 75°, low 71°.
Pressure29.77 inHg
Wind6.6 mph SE
Humidity55%
Visibility6.2 mi
Dew point59°
Thu, 1376° / 71°0.5
Morning73°feels 74°
Afternoon73°feels 74°
Evening75°feels 76°
Overnight72°feels 73°
76 °
Old Harbor, Thursday, 13 August
Rain. High 76°, low 71°.
Pressure29.68 inHg
Wind20.7 mph SW
Humidity90%
Visibility—
Dew point70°
Fri, 1474° / 64°0
Morning65°feels 65°
Afternoon69°feels 68°
Evening73°feels 73°
Overnight67°feels 66°
74 °
Old Harbor, Friday, 14 August
Clear. High 74°, low 64°.
Pressure29.85 inHg
Wind22.8 mph W
Humidity55%
Visibility—
Dew point50°
Sat, 1573° / 63°0
Morning65°feels 64°
Afternoon69°feels 69°
Evening72°feels 72°
Overnight68°feels 67°
73 °
Old Harbor, Saturday, 15 August
Clear. High 73°, low 63°.
Pressure29.94 inHg
Wind22.5 mph W
Humidity53%
Visibility—
Dew point50°
Sun, 1672° / 68°0
Morning69°feels 68°
Afternoon71°feels 71°
Evening70°feels 69°
Overnight69°feels 69°
72 °
Old Harbor, Sunday, 16 August
Overcast. High 72°, low 68°.
Pressure30.09 inHg
Wind14.9 mph NW
Humidity58%
Visibility—
Dew point55°
Mon, 1774° / 69°0.17
Morning72°feels 72°
Afternoon73°feels 73°
Evening73°feels 73°
Overnight69°feels 69°
74 °
Old Harbor, Monday, 17 August
Light rain. High 74°, low 69°.
Pressure30.06 inHg
Wind17.2 mph S
Humidity62%
Visibility—
Dew point59°
Tue, 1874° / 69°0.26
Morning70°feels 70°
Afternoon72°feels 72°
Evening73°feels 74°
Overnight72°feels 72°
74 °
Old Harbor, Tuesday, 18 August
Light rain. High 74°, low 69°.
Pressure30.03 inHg
Wind12.6 mph W
Humidity64%
Visibility—
Dew point58°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Old Harbor, MA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.