10-day forecast for Johnsville, MD: 55° to 90°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Monday, August 10
78° · 0.17 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 71°0
Morning75°feels 75°
Afternoon83°feels 82°
Evening80°feels 82°
Overnight74°feels 74°
87 °
Johnsville, Monday, 10 August
Clear. High 87°, low 71°.
Pressure30.00 inHg
Wind7.4 mph W
Humidity44%
Visibility6.2 mi
Dew point64°
Tue, 1190° / 68°0.2
Morning70°feels 71°
Afternoon88°feels 89°
Evening78°feels 79°
Overnight71°feels 72°
90 °
Johnsville, Tuesday, 11 August
Rain. High 90°, low 68°.
Pressure29.91 inHg
Wind11.8 mph NW
Humidity55%
Visibility6.2 mi
Dew point66°
Wed, 1289° / 68°0.03
Morning71°feels 72°
Afternoon86°feels 88°
Evening80°feels 83°
Overnight73°feels 73°
89 °
Johnsville, Wednesday, 12 August
Light rain. High 89°, low 68°.
Pressure29.80 inHg
Wind12 mph W
Humidity59%
Visibility6.2 mi
Dew point66°
Thu, 1384° / 68°0.04
Morning70°feels 71°
Afternoon82°feels 81°
Evening73°feels 72°
Overnight71°feels 72°
84 °
Johnsville, Thursday, 13 August
Light rain. High 84°, low 68°.
Pressure29.83 inHg
Wind15.2 mph NW
Humidity37%
Visibility—
Dew point53°
Fri, 1479° / 59°0
Morning66°feels 65°
Afternoon76°feels 75°
Evening69°feels 68°
Overnight62°feels 61°
79 °
Johnsville, Friday, 14 August
Overcast. High 79°, low 59°.
Pressure30.06 inHg
Wind9.4 mph NW
Humidity37%
Visibility—
Dew point47°
Sat, 1577° / 57°0
Morning65°feels 64°
Afternoon74°feels 73°
Evening67°feels 66°
Overnight62°feels 61°
77 °
Johnsville, Saturday, 15 August
Partly cloudy. High 77°, low 57°.
Pressure30.15 inHg
Wind12.6 mph NW
Humidity33%
Visibility—
Dew point43°
Sun, 1680° / 55°0
Morning66°feels 65°
Afternoon78°feels 78°
Evening66°feels 65°
Overnight62°feels 61°
80 °
Johnsville, Sunday, 16 August
Overcast. High 80°, low 55°.
Pressure30.12 inHg
Wind6.7 mph W
Humidity29%
Visibility—
Dew point42°
Mon, 1778° / 65°0.17
Morning71°feels 70°
Afternoon76°feels 76°
Evening67°feels 68°
Overnight66°feels 66°
78 °
Johnsville, Monday, 17 August
Light rain. High 78°, low 65°.
Pressure29.97 inHg
Wind6.9 mph E
Humidity60%
Visibility—
Dew point61°
Tue, 1884° / 63°0.01
Morning71°feels 71°
Afternoon82°feels 82°
Evening74°feels 74°
Overnight71°feels 71°
84 °
Johnsville, Tuesday, 18 August
Light rain. High 84°, low 63°.
Pressure30.00 inHg
Wind4.7 mph E
Humidity41%
Visibility—
Dew point55°
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 Johnsville, 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.