Weather tomorrow: Riverhead
Forecast for tomorrow, 28 September: overcast and light rain. The daily air temperature range is 14 to 19 °C. Chance of precipitation tomorrow according to the daily forecast: 93%. Forecast precipitation amount: 19.3 mm. Wind from the northeast at 11.7 m/s.
monday 28 september
Precipitation probability 93%
Precipitation 19.3 mm
Wind
11.7 m/s
Pressure 1006.6 hPa
Index UV 2
Humidity 94%
Sunrise 06:44
Moon Waning Gibbous
Sunrise 06:44
Sunset 18:38
G/m activity 2
Moon Waning Gibbous
What is the atmospheric pressure in Riverhead tomorrow?
Pressure adjusted for location elevation. Location elevation: 10 m relative to sea level
Forecast for 28.09.2026 · Local time
Pressure: 1005.3–1010.6 hPa.
Minimum: 1005.3 hPa00:00–04:00
Maximum: 1010.6 hPa22:00–23:00
Largest change over 3 hours: +2.7 hPa · 07:00–10:00
hPa · Change over the previous 3 hours
Colours show pressure relative to this day’s range
Lower · 1005.3 Scale midpoint · 1007.9 Higher · 1010.6 Largest change over 3 hoursWhat is the chance of precipitation in Riverhead tomorrow?
Chance of precipitation tomorrow according to the daily forecast: 93%.
Precipitation for tomorrow
| 00:00 | Amount of precipitation in millimeters (mm): 4.2 mm | Probability of precipitation in percent (%): 90% |
|---|---|---|
| 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): 1.3 mm | Probability of precipitation in percent (%): 77% |
| 03:00 | Amount of precipitation in millimeters (mm): 0.8 mm | Probability of precipitation in percent (%): 70% |
| 04:00 | Amount of precipitation in millimeters (mm): 0.9 mm | Probability of precipitation in percent (%): 71% |
| 05:00 | Amount of precipitation in millimeters (mm): 0.3 mm | Probability of precipitation in percent (%): 48% |
| 06:00 | Amount of precipitation in millimeters (mm): 0.7 mm | Probability of precipitation in percent (%): 66% |
| 07:00 | Amount of precipitation in millimeters (mm): 0.3 mm | Probability of precipitation in percent (%): 52% |
| 08:00 | Amount of precipitation in millimeters (mm): 0.5 mm | Probability of precipitation in percent (%): 61% |
| 09:00 | Amount of precipitation in millimeters (mm): 1 mm | Probability of precipitation in percent (%): 74% |
| 10:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 43% |
| 11:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 40% |
| 12:00 | Amount of precipitation in millimeters (mm): 0.3 mm | Probability of precipitation in percent (%): 49% |
| 13:00 | Amount of precipitation in millimeters (mm): 0.4 mm | Probability of precipitation in percent (%): 52% |
| 14:00 | Amount of precipitation in millimeters (mm): 0.1 mm | Probability of precipitation in percent (%): 37% |
| 15:00 | Amount of precipitation in millimeters (mm): 0.1 mm | Probability of precipitation in percent (%): 28% |
| 16:00 | Amount of precipitation in millimeters (mm): 0.1 mm | Probability of precipitation in percent (%): 29% |
| 17:00 | Amount of precipitation in millimeters (mm): 0.1 mm | Probability of precipitation in percent (%): 36% |
| 18:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 43% |
| 19:00 | Amount of precipitation in millimeters (mm): 0.6 mm | Probability of precipitation in percent (%): 63% |
| 20:00 | Amount of precipitation in millimeters (mm): 1 mm | Probability of precipitation in percent (%): 72% |
| 21:00 | Amount of precipitation in millimeters (mm): 0.7 mm | Probability of precipitation in percent (%): 66% |
| 22:00 | Amount of precipitation in millimeters (mm): 0.8 mm | Probability of precipitation in percent (%): 69% |
| 23:00 | Amount of precipitation in millimeters (mm): 1 mm | Probability of precipitation in percent (%): 75% |
Riverhead 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 01:00 (from the southeast). The lightest winds are expected at 21:00 (from the northeast). Times are local.
Temperature and wind for tomorrow
What geomagnetic activity is forecast for Riverhead tomorrow?
The highest forecast Kp index for tomorrow is 2.