Weather tomorrow: Johnstown

Forecast for tomorrow, 29 September: fog. The daily air temperature range is 11 to 17 °C. Chance of precipitation tomorrow according to the daily forecast: 48%. Forecast precipitation amount: 0.3 mm. Wind from the northwest at 2.5 m/s.

tuesday 29 september

Fog

Fog, Precipitation probability 48%, Sunrise 07:10, Sunset 19:01, 29.09.2026

+17°

+11°

Sunset 19:01

G/m activity 2

Precipitation probability 48%

Precipitation 0.3 mm

Wind 2.5 m/s

Pressure 975.9 hPa

Index UV 4

Humidity 90%

Sunrise 07:10

Moon Waning Gibbous

Sunrise 07:10

Sunset 19:01

G/m activity 2

Moon Waning Gibbous

Fog
night
+11°
Fog
morning
+11°
Overcast
day
+14°
Clear
evening
+16°
Time
Description
Temperature
Precipitation probability
Precipitation
Wind

00:00

Fog

11°

43 %
-

W

1.1 m/s

01:00

Fog

12°

43 %
-

W

1.1 m/s

02:00

Fog

12°

43 %
-

W

0.8 m/s

03:00

Fog

12°

43 %
-

W

1.1 m/s

04:00

Fog

12°

43 %
-

W

0.8 m/s

05:00

Fog

12°

43 %
-

W

0.8 m/s

06:00

Fog

12°

42 %
-

W

0.8 m/s

07:00

Fog

12°

43 %
-

W

1.1 m/s

08:00

Fog

11°

36 %
-

NW

1.1 m/s

09:00

Partly cloudy

12°

19 %
-

NW

1.1 m/s

10:00

Partly cloudy

14°

14 %
-

NW

1.7 m/s

11:00

Partly cloudy

16°

9 %
-

NW

1.9 m/s

12:00

Partly cloudy

17°

9 %
-

NW

2.2 m/s

13:00

Overcast and showers

18°

12 %
-

NW

2.2 m/s

14:00

Overcast and showers

18°

14 %
-

NW

2.2 m/s

15:00

Overcast and showers

18°

16 %
-

NW

1.7 m/s

16:00

Overcast and showers

17°

19 %
-

NW

1.7 m/s

17:00

Overcast and showers

17°

21 %
-

NW

1.4 m/s

18:00

Overcast and showers

18°

24 %
-

NW

0.8 m/s

19:00

Overcast and showers

19°

25 %
-

NE

0.3 m/s

20:00

Overcast and showers

19°

24 %
-

E

0.8 m/s

21:00

Overcast

19°

22 %
-

E

0.3 m/s

22:00

Overcast

19°

20 %
-

N

0.6 m/s

23:00

Cloudy

18°

10 %
-

N

0 m/s

What is the atmospheric pressure in Johnstown tomorrow?

Pressure adjusted for location elevation. Location elevation: 356 m relative to sea level

Forecast for 29.09.2026 · Local time

Pressure: 974.6–977.3 hPa.

Minimum: 974.6 hPa00:00–05:00

Maximum: 977.3 hPa10:00–12:00Also at other hours

Largest change over 3 hours: +1.3 hPa · 03:00–06:00
First of 12 intervals with the same change magnitude shown.

hPa · Change over the previous 3 hours

974.6 00:00 —
974.6 01:00 —
974.6 02:00 —
974.6 03:00 0
974.6 04:00 0
974.6 05:00 0
975.9 06:00 +1.3
975.9 07:00 +1.3
975.9 08:00 +1.3
975.9 09:00 0
977.3 10:00 +1.3
977.3 11:00 +1.3
977.3 12:00 +1.3
975.9 13:00 −1.3
975.9 14:00 −1.3
975.9 15:00 −1.3
975.9 16:00 0
975.9 17:00 0
975.9 18:00 0
975.9 19:00 0
975.9 20:00 0
977.3 21:00 +1.3
977.3 22:00 +1.3
977.3 23:00 +1.3

Colours show pressure relative to this day’s range

Lower · 974.6 Scale midpoint · 975.9 Higher · 977.3 Largest change over 3 hours

What is the chance of precipitation in Johnstown tomorrow?

Chance of precipitation tomorrow according to the daily forecast: 48%.

Precipitation for tomorrow

Hourly precipitation forecast
00:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 43%
01:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 43%
02:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 43%
03:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 43%
04:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 43%
05:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 43%
06:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 42%
07:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 43%
08:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 36%
09:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 19%
10:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 14%
11:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 9%
12:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 9%
13:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 12%
14:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 14%
15:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 16%
16:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 19%
17:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 21%
18:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 24%
19:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 25%
20:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 24%
21:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 22%
22:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 20%
23:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 10%

Johnstown weather tomorrow: morning, afternoon and evening

Morning: fog, +11 °C. Afternoon: overcast, +14 °C. Evening: clear, +16 °C.

According to the hourly forecast, tomorrow's highest temperature is expected from 19:00 to 22:00, at around +19 °C. Times are local.

Tomorrow's strongest winds are expected from 12:00 to 14:00 (from the northwest). Calm winds are forecast at 23:00. Times are local.

Temperature and wind for tomorrow

+11° +12° +12° +12° +17° +18° +18° +19° 1.1 m/s 1.1 m/s 0.8 m/s 1.1 m/s 2.2 m/s 1.7 m/s 0.8 m/s 0.3 m/s
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
- Wind direction and speed, m/s
- Temperature, °C

What geomagnetic activity is forecast for Johnstown tomorrow?

The highest forecast Kp index for tomorrow is 2.

Magnetic storm tomorrow

00:00 2
03:00 2
06:00 1
09:00 1
12:00 1
15:00 2
18:00 2
21:00 2

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