Weather tomorrow: Petaluma
Forecast for tomorrow, 28 September: clear. The daily air temperature range is 9 to 26 °C. Chance of precipitation tomorrow according to the daily forecast: 5%. Forecast precipitation amount: 0 mm. Wind from the south at 5.3 m/s.
monday 28 september
Clear
+26°
+9°
Sunset 18:58
G/m activity 2
Precipitation probability 5%
Precipitation 0.0 mm
Wind
5.3 m/s
Pressure 1011.9 hPa
Index UV 6
Humidity 69%
Sunrise 07:04
Moon Waning Gibbous
Sunrise 07:04
Sunset 18:58
G/m activity 2
Moon Waning Gibbous
00:00
10°
SW
0.8 m/s01:00
9°
SW
0.6 m/s02:00
9°
S
0.8 m/s03:00
9°
E
0.3 m/s04:00
9°
NE
0.8 m/s05:00
9°
E
1.4 m/s06:00
9°
E
0.8 m/s07:00
9°
E
1.1 m/s08:00
11°
E
1.1 m/s09:00
14°
E
0.8 m/s10:00
18°
E
0.8 m/s11:00
22°
SE
0.3 m/s12:00
24°
W
1.1 m/s13:00
26°
W
3.1 m/s14:00
25°
W
4.7 m/s15:00
24°
W
4.4 m/s16:00
21°
W
4.7 m/s17:00
20°
W
3.3 m/s18:00
18°
SW
2.5 m/s19:00
14°
SW
1.7 m/s20:00
12°
SW
1.1 m/s21:00
12°
SW
0.8 m/s22:00
12°
SE
1.1 m/s23:00
13°
SE
1.1 m/sWhat is the atmospheric pressure in Petaluma tomorrow?
Pressure adjusted for location elevation. Location elevation: 4 m relative to sea level
Forecast for 28.09.2026 · Local time
Pressure: 1010.6–1013.3 hPa.
Minimum: 1010.6 hPa16:00–23:00
Maximum: 1013.3 hPa10:00–11:00
Largest change over 3 hours:
+1.3 hPa · 07:00–10:00
First of 7 intervals with the same change magnitude shown.
hPa · Change over the previous 3 hours
Colours show pressure relative to this day’s range
Lower · 1010.6 Scale midpoint · 1011.9 Higher · 1013.3 Largest change over 3 hoursWhat is the chance of precipitation in Petaluma tomorrow?
Chance of precipitation tomorrow according to the daily forecast: 5%.
Precipitation for tomorrow
| 00:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 19% |
|---|---|---|
| 01:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 15% |
| 02:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 14% |
| 03:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 14% |
| 04:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 13% |
| 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 (%): 13% |
| 08:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 10% |
| 09:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 4% |
| 10:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 2% |
| 11:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 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 (%): 0% |
| 14:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 0% |
| 15:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 16:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 7% |
| 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 (%): 2% |
| 19:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 8% |
| 20:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 12% |
| 21:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 12% |
| 22:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 10% |
| 23:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 9% |
Petaluma weather tomorrow: morning, afternoon and evening
Morning: clear, +9 °C. Afternoon: clear, +24 °C. Evening: clear, +18 °C.
According to the hourly forecast, tomorrow's highest temperature is expected at 13:00, at around +26 °C. Times are local.
Tomorrow's strongest winds are expected at 14:00 (from the west); at 16:00 (from the west). The lightest winds are expected at 03:00 (from the east); at 11:00 (from the southeast). Times are local.
Temperature and wind for tomorrow
What geomagnetic activity is forecast for Petaluma tomorrow?
The highest forecast Kp index for tomorrow is 2.
