Weather tomorrow: Ketchikan
Forecast for tomorrow, 28 September: overcast and light rain. The daily air temperature range is 8 to 12 °C. Chance of precipitation tomorrow according to the daily forecast: 87%. Forecast precipitation amount: 15.9 mm. Wind from the south at 9.2 m/s.
monday 28 september
Precipitation probability 87%
Precipitation 15.9 mm
Wind
9.2 m/s
Pressure 1001.3 hPa
Index UV 2
Humidity 86%
Sunrise 06:44
Moon Waning Gibbous
Sunrise 06:44
Sunset 18:29
G/m activity 2
Moon Waning Gibbous
What is the atmospheric pressure in Ketchikan tomorrow?
Pressure adjusted for location elevation. Location elevation: 11 m relative to sea level
Forecast for 28.09.2026 · Local time
Pressure: 998.6–1005.3 hPa.
Minimum: 998.6 hPa04:00–07:00
Maximum: 1005.3 hPa22:00–23:00
Largest change over 3 hours:
−2.7 hPa · 01:00–04:00
First of 2 intervals with the same change magnitude shown.
hPa · Change over the previous 3 hours
Colours show pressure relative to this day’s range
Lower · 998.6 Scale midpoint · 1001.9 Higher · 1005.3 Largest change over 3 hoursWhat is the chance of precipitation in Ketchikan tomorrow?
Chance of precipitation tomorrow according to the daily forecast: 87%.
Precipitation for tomorrow
| 00:00 | Amount of precipitation in millimeters (mm): 5.2 mm | Probability of precipitation in percent (%): 91% |
|---|---|---|
| 01:00 | Amount of precipitation in millimeters (mm): 2.6 mm | Probability of precipitation in percent (%): 87% |
| 02:00 | Amount of precipitation in millimeters (mm): 4.1 mm | Probability of precipitation in percent (%): 90% |
| 03:00 | Amount of precipitation in millimeters (mm): 5.8 mm | Probability of precipitation in percent (%): 92% |
| 04:00 | Amount of precipitation in millimeters (mm): 0.4 mm | Probability of precipitation in percent (%): 61% |
| 05:00 | Amount of precipitation in millimeters (mm): 1.1 mm | Probability of precipitation in percent (%): 73% |
| 06:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 30% |
| 07:00 | Amount of precipitation in millimeters (mm): 0.7 mm | Probability of precipitation in percent (%): 61% |
| 08:00 | Amount of precipitation in millimeters (mm): 1.9 mm | Probability of precipitation in percent (%): 78% |
| 09:00 | Amount of precipitation in millimeters (mm): 0.8 mm | Probability of precipitation in percent (%): 60% |
| 10:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 23% |
| 11:00 | Amount of precipitation in millimeters (mm): 0.3 mm | Probability of precipitation in percent (%): 39% |
| 12:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 33% |
| 13:00 | Amount of precipitation in millimeters (mm): 0.7 mm | Probability of precipitation in percent (%): 57% |
| 14:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 33% |
| 15:00 | Amount of precipitation in millimeters (mm): 0.5 mm | Probability of precipitation in percent (%): 45% |
| 16:00 | Amount of precipitation in millimeters (mm): 0.4 mm | Probability of precipitation in percent (%): 36% |
| 17:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 31% |
| 18:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 33% |
| 19:00 | Amount of precipitation in millimeters (mm): 0.4 mm | Probability of precipitation in percent (%): 53% |
| 20:00 | Amount of precipitation in millimeters (mm): 0.1 mm | Probability of precipitation in percent (%): 33% |
| 21:00 | Amount of precipitation in millimeters (mm): 0.1 mm | Probability of precipitation in percent (%): 33% |
| 22:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 29% |
| 23:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 20% |
Ketchikan weather tomorrow: morning, afternoon and evening
Morning: overcast and showers, +10 °C. Afternoon: overcast and showers, +12 °C. Evening: overcast and light rain, +10 °C.
According to the hourly forecast, tomorrow's highest temperature is expected from 12:00 to 13:00 and at 16:00, at around +12 °C. Times are local.
Tomorrow's strongest winds are expected at 00:00 (from the south). The lightest winds are expected at 11:00 (from the northwest); from 12:00 to 13:00 (from the southwest); at 14:00 (from the south). Times are local.
Temperature and wind for tomorrow
What geomagnetic activity is forecast for Ketchikan tomorrow?
The highest forecast Kp index for tomorrow is 2.