Weather tomorrow: Helena (airport)
Forecast for tomorrow, 28 September: overcast. The daily air temperature range is 8 to 19 °C. Chance of precipitation tomorrow according to the daily forecast: 3%. Forecast precipitation amount: 0 mm. Wind from the west at 4.7 m/s.
monday 28 september
Overcast
+19°
+8°
Sunset 19:14
G/m activity 2
Precipitation probability 3%
Precipitation 0.0 mm
Wind
4.7 m/s
Pressure 878.6 hPa
Index UV 4
Humidity 40%
Sunrise 07:23
Moon Waning Gibbous
Sunrise 07:23
Sunset 19:14
G/m activity 2
Moon Waning Gibbous
00:00
10°
SW
1.9 m/s01:00
10°
SW
1.7 m/s02:00
10°
SW
1.4 m/s03:00
9°
SW
1.7 m/s04:00
8°
SW
1.7 m/s05:00
8°
SW
2.8 m/s06:00
9°
SW
2.2 m/s07:00
9°
SW
1.7 m/s08:00
9°
SW
1.9 m/s09:00
11°
SW
1.7 m/s10:00
14°
W
1.1 m/s11:00
16°
NW
1.4 m/s12:00
17°
NW
3.1 m/s13:00
18°
W
3.9 m/s14:00
19°
NW
4.2 m/s15:00
19°
NW
4.4 m/s16:00
19°
NW
4.4 m/s17:00
18°
NW
5 m/s18:00
17°
NW
4.4 m/s19:00
13°
W
2.2 m/s20:00
11°
SW
2.8 m/s21:00
10°
SW
2.8 m/s22:00
9°
SW
3.1 m/s23:00
8°
SW
2.8 m/sWhat is the atmospheric pressure in Helena (airport) tomorrow?
Pressure adjusted for location elevation. Location elevation: 1166 m relative to sea level
Forecast for 28.09.2026 · Local time
Pressure: 877.3–879.9 hPa.
Minimum: 877.3 hPa03:00–04:00Also at other hours
Maximum: 879.9 hPa11:00Also at other hours
Largest change over 3 hours:
−1.3 hPa · 00:00–03:00
First of 13 intervals with the same change magnitude shown.
hPa · Change over the previous 3 hours
Colours show pressure relative to this day’s range
Lower · 877.3 Scale midpoint · 878.6 Higher · 879.9 Largest change over 3 hoursWhat is the chance of precipitation in Helena (airport) tomorrow?
Chance of precipitation tomorrow according to the daily forecast: 3%.
Precipitation for tomorrow
| 00:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 11% |
|---|---|---|
| 01:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 11% |
| 02:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 11% |
| 03:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 3% |
| 04:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 10% |
| 05:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 13% |
| 06:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 13% |
| 07:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 12% |
| 08:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 13% |
| 09:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 11% |
| 10:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 3% |
| 11:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 3% |
| 12:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 13:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 14:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 15:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 2% |
| 16:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 2% |
| 17:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 18:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 19:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 20:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 21:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 22:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 23:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 2% |
Helena (airport) weather tomorrow: morning, afternoon and evening
Morning: overcast and showers, +9 °C. Afternoon: partly cloudy, +17 °C. Evening: clear, +17 °C.
According to the hourly forecast, tomorrow's highest temperature is expected from 14:00 to 16:00, at around +19 °C. Times are local.
Tomorrow's strongest winds are expected at 17:00 (from the northwest). The lightest winds are expected at 10:00 (from the west). Times are local.
Temperature and wind for tomorrow
What geomagnetic activity is forecast for Helena (airport) tomorrow?
The highest forecast Kp index for tomorrow is 2.
