10-day forecast for Johnston, PA: 38° to 70°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Monday, October 26
59° · 2.02 in
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2767° / 45°0
Morning47°feels 45°
Afternoon67°feels 66°
Evening50°feels 49°
Overnight50°feels 50°
67 °
Johnston, Tuesday, 27 October
Clear. High 67°, low 45°.
Pressure30.39 inHg
Wind4.7 mph NE
Humidity57%
Visibility6.2 mi
Dew point45°
Wed, 2866° / 42°0
Morning44°feels 44°
Afternoon66°feels 65°
Evening53°feels 51°
Overnight42°feels 42°
66 °
Johnston, Wednesday, 28 October
Overcast. High 66°, low 42°.
Pressure30.42 inHg
Wind8.1 mph S
Humidity69%
Visibility6.2 mi
Dew point49°
Thu, 2968° / 45°0
Morning45°feels 45°
Afternoon66°feels 65°
Evening57°feels 56°
Overnight48°feels 48°
68 °
Johnston, Thursday, 29 October
Clear. High 68°, low 45°.
Pressure30.24 inHg
Wind5.1 mph S
Humidity69%
Visibility6.2 mi
Dew point51°
Fri, 3068° / 48°0
Morning48°feels 48°
Afternoon68°feels 67°
Evening58°feels 56°
Overnight51°feels 50°
68 °
Johnston, Friday, 30 October
Partly cloudy. High 68°, low 48°.
Pressure30.15 inHg
Wind5 mph NW
Humidity59%
Visibility6.2 mi
Dew point52°
Sat, 3161° / 44°0
Morning48°feels 48°
Afternoon56°feels 55°
Evening59°feels 57°
Overnight50°feels 49°
61 °
Johnston, Saturday, 31 October
Overcast. High 61°, low 44°.
Pressure30.39 inHg
Wind5.5 mph S
Humidity58%
Visibility—
Dew point40°
Sun, 0163° / 50°0.13
Morning52°feels 51°
Afternoon59°feels 58°
Evening60°feels 59°
Overnight54°feels 54°
63 °
Johnston, Sunday, 1 November
Light rain. High 63°, low 50°.
Pressure30.36 inHg
Wind13 mph S
Humidity69%
Visibility—
Dew point47°
Mon, 0259° / 55°2.02
Morning56°feels 56°
Afternoon57°feels 57°
Evening58°feels 58°
Overnight55°feels 55°
59 °
Johnston, Monday, 2 November
Heavy rain. High 59°, low 55°.
Pressure29.85 inHg
Wind12.9 mph SE
Humidity98%
Visibility—
Dew point56°
Tue, 0358° / 50°0.06
Morning57°feels 56°
Afternoon57°feels 56°
Evening55°feels 55°
Overnight51°feels 50°
58 °
Johnston, Tuesday, 3 November
Light rain. High 58°, low 50°.
Pressure30.09 inHg
Wind11.4 mph E
Humidity95%
Visibility—
Dew point55°
Wed, 0452° / 40°0.02
Morning43°feels 38°
Afternoon47°feels 43°
Evening52°feels 51°
Overnight49°feels 48°
52 °
Johnston, Wednesday, 4 November
Light rain. High 52°, low 40°.
Pressure30.30 inHg
Wind10.2 mph SE
Humidity76%
Visibility—
Dew point38°
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 Johnston, 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.