Weather tomorrow: Williamsport
Forecast for tomorrow, 28 September: fog. The daily air temperature range is 12 to 16 °C. Chance of precipitation tomorrow according to the daily forecast: 52%. Forecast precipitation amount: 0.3 mm. Wind from the northwest at 2.8 m/s.
monday 28 september
Precipitation probability 52%
Precipitation 0.3 mm
Wind
2.8 m/s
Pressure 993.3 hPa
Index UV 2
Humidity 90%
Sunrise 07:01
Moon Waning Gibbous
Sunrise 07:01
Sunset 18:54
G/m activity 2
Moon Waning Gibbous
What is the atmospheric pressure in Williamsport tomorrow?
Pressure adjusted for location elevation. Location elevation: 161 m relative to sea level
Forecast for 28.09.2026 · Local time
Pressure: 989.3–995.9 hPa.
Minimum: 989.3 hPa01:00–03:00
Maximum: 995.9 hPa22:00–23:00
Largest change over 3 hours:
−1.3 hPa · 00:00–03:00
First of 15 intervals with the same change magnitude shown.
hPa · Change over the previous 3 hours
Colours show pressure relative to this day’s range
Lower · 989.3 Scale midpoint · 992.6 Higher · 995.9 Largest change over 3 hoursWhat is the chance of precipitation in Williamsport tomorrow?
Chance of precipitation tomorrow according to the daily forecast: 52%.
Precipitation for tomorrow
| 00:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 32% |
|---|---|---|
| 01:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 32% |
| 02:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 34% |
| 03:00 | Amount of precipitation in millimeters (mm): 0.3 mm | Probability of precipitation in percent (%): 62% |
| 04:00 | Amount of precipitation in millimeters (mm): 0.1 mm | Probability of precipitation in percent (%): 50% |
| 05:00 | Amount of precipitation in millimeters (mm): 0.3 mm | Probability of precipitation in percent (%): 63% |
| 06:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 56% |
| 07:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 47% |
| 08:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 44% |
| 09:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 39% |
| 10:00 | Amount of precipitation in millimeters (mm): 0.1 mm | Probability of precipitation in percent (%): 50% |
| 11:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 39% |
| 12:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 33% |
| 13:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 36% |
| 14:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 27% |
| 15:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 27% |
| 16:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 29% |
| 17:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 29% |
| 18:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 30% |
| 19:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 31% |
| 20:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 29% |
| 21:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 28% |
| 22:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 31% |
| 23:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 33% |
Williamsport weather tomorrow: morning, afternoon and evening
Morning: cloudy and light rain, +13 °C. Afternoon: overcast and showers, +14 °C. Evening: overcast and showers, +14 °C.
According to the hourly forecast, tomorrow's highest temperature is expected at 15:00, at around +15 °C. Times are local.
Tomorrow's strongest winds are expected from 00:00 to 01:00 (from the northwest). The lightest winds are expected at 23:00 (from the northwest). Times are local.
Temperature and wind for tomorrow
What geomagnetic activity is forecast for Williamsport tomorrow?
The highest forecast Kp index for tomorrow is 2.