10-day forecast for Dumbarton, MD: 62° to 92°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Sunday, August 9
88° · 0.25 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0988° / 73°0
Morning76°feels 76°
Afternoon88°feels 87°
Evening77°feels 76°
Overnight75°feels 76°
88 °
Dumbarton, Sunday, 9 August
Mostly clear. High 88°, low 73°.
Pressure30.03 inHg
Wind7.6 mph NW
Humidity46%
Visibility6.2 mi
Dew point65°
Mon, 1092° / 74°0.08
Morning77°feels 77°
Afternoon86°feels 87°
Evening85°feels 87°
Overnight76°feels 75°
92 °
Dumbarton, Monday, 10 August
Light rain. High 92°, low 74°.
Pressure30.00 inHg
Wind7 mph NW
Humidity44%
Visibility6.2 mi
Dew point64°
Tue, 1188° / 70°0.25
Morning72°feels 73°
Afternoon88°feels 89°
Evening79°feels 79°
Overnight72°feels 73°
88 °
Dumbarton, Tuesday, 11 August
Rain. High 88°, low 70°.
Pressure29.94 inHg
Wind7.2 mph NW
Humidity54%
Visibility6.2 mi
Dew point67°
Wed, 1291° / 72°0.09
Morning75°feels 75°
Afternoon85°feels 87°
Evening82°feels 84°
Overnight75°feels 76°
91 °
Dumbarton, Wednesday, 12 August
Light rain. High 91°, low 72°.
Pressure29.77 inHg
Wind8.6 mph W
Humidity67%
Visibility6.2 mi
Dew point66°
Thu, 1384° / 70°0.05
Morning76°feels 76°
Afternoon83°feels 81°
Evening74°feels 73°
Overnight71°feels 70°
84 °
Dumbarton, Thursday, 13 August
Light rain. High 84°, low 70°.
Pressure29.83 inHg
Wind12.7 mph NW
Humidity32%
Visibility—
Dew point50°
Fri, 1477° / 64°0
Morning67°feels 66°
Afternoon73°feels 72°
Evening69°feels 68°
Overnight64°feels 64°
77 °
Dumbarton, Friday, 14 August
Overcast. High 77°, low 64°.
Pressure30.09 inHg
Wind8.5 mph NW
Humidity41%
Visibility—
Dew point47°
Sat, 1580° / 62°0
Morning69°feels 68°
Afternoon78°feels 78°
Evening73°feels 72°
Overnight69°feels 69°
80 °
Dumbarton, Saturday, 15 August
Clear. High 80°, low 62°.
Pressure30.18 inHg
Wind10.3 mph N
Humidity32%
Visibility—
Dew point45°
Sun, 1683° / 64°0
Morning71°feels 70°
Afternoon82°feels 80°
Evening74°feels 73°
Overnight71°feels 70°
83 °
Dumbarton, Sunday, 16 August
Overcast. High 83°, low 64°.
Pressure30.18 inHg
Wind5.9 mph SE
Humidity31%
Visibility—
Dew point47°
Mon, 1774° / 68°0.04
Morning71°feels 71°
Afternoon73°feels 73°
Evening69°feels 70°
Overnight69°feels 69°
74 °
Dumbarton, Monday, 17 August
Light rain. High 74°, low 68°.
Pressure30.09 inHg
Wind8.2 mph S
Humidity64%
Visibility—
Dew point60°
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 Dumbarton, MD 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.