10-day forecast for Garmantown, PA: 48° to 83°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Sunday, August 9
83° · 1.17 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1082° / 64°0.28
Morning67°feels 67°
Afternoon77°feels 77°
Evening77°feels 78°
Overnight65°feels 65°
82 °
Garmantown, Monday, 10 August
Heavy rain. High 82°, low 64°.
Pressure30.00 inHg
Wind10.3 mph SW
Humidity76%
Visibility6.2 mi
Dew point67°
Tue, 1183° / 63°1.17
Morning64°feels 65°
Afternoon79°feels 79°
Evening71°feels 72°
Overnight63°feels 63°
83 °
Garmantown, Tuesday, 11 August
Heavy rain. High 83°, low 63°.
Pressure29.97 inHg
Wind10.6 mph W
Humidity71%
Visibility6.2 mi
Dew point64°
Wed, 1278° / 64°0.01
Morning65°feels 66°
Afternoon69°feels 70°
Evening70°feels 71°
Overnight65°feels 66°
78 °
Garmantown, Wednesday, 12 August
Light rain. High 78°, low 64°.
Pressure29.83 inHg
Wind9.2 mph W
Humidity93%
Visibility6.2 mi
Dew point67°
Thu, 1374° / 57°0.05
Morning65°feels 65°
Afternoon72°feels 71°
Evening62°feels 61°
Overnight64°feels 65°
74 °
Garmantown, Thursday, 13 August
Light rain. High 74°, low 57°.
Pressure29.88 inHg
Wind14.4 mph NW
Humidity45%
Visibility—
Dew point50°
Fri, 1471° / 50°0
Morning59°feels 58°
Afternoon68°feels 67°
Evening59°feels 58°
Overnight53°feels 52°
71 °
Garmantown, Friday, 14 August
Partly cloudy. High 71°, low 50°.
Pressure30.09 inHg
Wind9.6 mph NW
Humidity45%
Visibility—
Dew point46°
Sat, 1571° / 48°0
Morning57°feels 56°
Afternoon68°feels 67°
Evening58°feels 58°
Overnight53°feels 51°
71 °
Garmantown, Saturday, 15 August
Partly cloudy. High 71°, low 48°.
Pressure30.21 inHg
Wind8.7 mph NW
Humidity39%
Visibility—
Dew point42°
Sun, 1669° / 49°0
Morning58°feels 57°
Afternoon66°feels 65°
Evening58°feels 58°
Overnight54°feels 53°
69 °
Garmantown, Sunday, 16 August
Overcast. High 69°, low 49°.
Pressure30.15 inHg
Wind5.4 mph W
Humidity56%
Visibility—
Dew point50°
Mon, 1776° / 53°0
Morning63°feels 63°
Afternoon74°feels 73°
Evening63°feels 63°
Overnight59°feels 58°
76 °
Garmantown, Monday, 17 August
Partly cloudy. High 76°, low 53°.
Pressure30.00 inHg
Wind6 mph NW
Humidity43%
Visibility—
Dew point49°
Tue, 1877° / 55°0
Morning65°feels 64°
Afternoon75°feels 75°
Evening64°feels 64°
Overnight60°feels 59°
77 °
Garmantown, Tuesday, 18 August
Clear. High 77°, low 55°.
Pressure30.03 inHg
Wind5.3 mph W
Humidity45%
Visibility—
Dew point52°
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 Garmantown, PA 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.