Weather tomorrow: Port Jefferson Station
Forecast for tomorrow, 28 September: overcast and light rain. The daily air temperature range is 14 to 18 °C. Chance of precipitation tomorrow according to the daily forecast: 93%. Forecast precipitation amount: 16.9 mm. Wind from the northeast at 11.9 m/s.
monday 28 september
Precipitation probability 93%
Precipitation 16.9 mm
Wind
11.9 m/s
Pressure 1002.6 hPa
Index UV 3
Humidity 95%
Sunrise 06:46
Moon Waning Gibbous
Sunrise 06:46
Sunset 18:39
G/m activity 2
Moon Waning Gibbous
What is the atmospheric pressure in Port Jefferson Station tomorrow?
Pressure adjusted for location elevation. Location elevation: 55 m relative to sea level
Forecast for 28.09.2026 · Local time
Pressure: 999.9–1005.3 hPa.
Minimum: 999.9 hPa00:00–05:00
Maximum: 1005.3 hPa22:00–23:00
Largest change over 3 hours:
+2.7 hPa · 05:00–08:00
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 · 999.9 Scale midpoint · 1002.6 Higher · 1005.3 Largest change over 3 hoursWhat is the chance of precipitation in Port Jefferson Station tomorrow?
Chance of precipitation tomorrow according to the daily forecast: 93%.
Precipitation for tomorrow
| 00:00 | Amount of precipitation in millimeters (mm): 2.1 mm | Probability of precipitation in percent (%): 83% |
|---|---|---|
| 01:00 | Amount of precipitation in millimeters (mm): 1.9 mm | Probability of precipitation in percent (%): 81% |
| 02:00 | Amount of precipitation in millimeters (mm): 0.9 mm | Probability of precipitation in percent (%): 73% |
| 03:00 | Amount of precipitation in millimeters (mm): 0.6 mm | Probability of precipitation in percent (%): 67% |
| 04:00 | Amount of precipitation in millimeters (mm): 0.8 mm | Probability of precipitation in percent (%): 70% |
| 05:00 | Amount of precipitation in millimeters (mm): 0.1 mm | Probability of precipitation in percent (%): 42% |
| 06:00 | Amount of precipitation in millimeters (mm): 0.5 mm | Probability of precipitation in percent (%): 60% |
| 07:00 | Amount of precipitation in millimeters (mm): 0.3 mm | Probability of precipitation in percent (%): 51% |
| 08:00 | Amount of precipitation in millimeters (mm): 0.3 mm | Probability of precipitation in percent (%): 51% |
| 09:00 | Amount of precipitation in millimeters (mm): 0.8 mm | Probability of precipitation in percent (%): 68% |
| 10:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 44% |
| 11:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 45% |
| 12:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 44% |
| 13:00 | Amount of precipitation in millimeters (mm): 0.3 mm | Probability of precipitation in percent (%): 48% |
| 14:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 32% |
| 15:00 | Amount of precipitation in millimeters (mm): 0.1 mm | Probability of precipitation in percent (%): 30% |
| 16:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 30% |
| 17:00 | Amount of precipitation in millimeters (mm): 0.3 mm | Probability of precipitation in percent (%): 42% |
| 18:00 | Amount of precipitation in millimeters (mm): 0.4 mm | Probability of precipitation in percent (%): 49% |
| 19:00 | Amount of precipitation in millimeters (mm): 0.9 mm | Probability of precipitation in percent (%): 70% |
| 20:00 | Amount of precipitation in millimeters (mm): 1.3 mm | Probability of precipitation in percent (%): 75% |
| 21:00 | Amount of precipitation in millimeters (mm): 1 mm | Probability of precipitation in percent (%): 75% |
| 22:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 49% |
| 23:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 50% |
Port Jefferson Station weather tomorrow: morning, afternoon and evening
Morning: overcast and light rain, +18 °C. Afternoon: overcast and light rain, +18 °C. Evening: overcast and light rain, +18 °C.
According to the hourly forecast, tomorrow's highest temperature is expected from 13:00 to 17:00, at around +19 °C. Times are local.
Tomorrow's strongest winds are expected at 23:00 (from the northeast). The lightest winds are expected at 19:00 (from the southeast); at 20:00 (from the northeast). Times are local.
Temperature and wind for tomorrow
What geomagnetic activity is forecast for Port Jefferson Station tomorrow?
The highest forecast Kp index for tomorrow is 2.