| Distance / Altitude | Location | Report Date / Time | Live Weather | Wind | Gusts | Temp. | Visibility | Cloud |
|---|---|---|---|---|---|---|---|---|
| 6 km WNW / 1 m | Marin County Airport (California) (California) | 2026-09-09 19:35 local (2026/09/10 02:35 GMT) |  Clear | wind obs. (9 kph from 40 degs) was rejected (- km/h at -) | 30°C | 16 | ||
| 15 km S / 48 m | Fairfax wx (United States) | 2026-09-09 20:06 local (2026/09/10 03:06 GMT) | dry | calm (0 km/h at 327) | 29°C | - | - - 0 | |
| 17 km S / 33 m | Ross (California) | 2026-09-09 20:21 local (2026/09/10 03:21 GMT) | dry | calm (3 km/h at 298) | 30°C | - | - - 0 | |
| 18 km S / 48 m | Fairfax wx (United States) | 2026-09-09 20:01 local (2026/09/10 03:01 GMT) | dry | calm (0 km/h at 147) | 24°C | - | - - 0 | |
| 18 km S / 43 m | Ross (California) | 2026-09-09 18:43 local (2026/09/10 01:43 GMT) | dry | calm (2 km/h at 344) | 32°C | - | - - 0 | |
| 18 km NW / 28 m | Petaluma Municipal Airport (California) (California) | 2026-09-09 19:35 local (2026/09/10 02:35 GMT) | Clear | calm (0 km/h at 0) | 28°C | 16 | ||
| 21 km ENE / 202 m | Napa Airport (California) | 2026-09-09 18:54 local (2026/09/10 01:54 GMT) | Clear | light winds from the N (6 km/h at 1) | 32°C | 16 | ||
| 21 km SW / 282 m | Lagunitas (California) | 2026-09-09 20:09 local (2026/09/10 03:09 GMT) | dry | calm (0 km/h at 76) | 26°C | - | - - 0 | |
| 22 km S / 58 m | Mill Valley (California) | 2026-09-09 19:37 local (2026/09/10 02:37 GMT) | dry | - (- km/h at ) | — | - | - - 0 | |
| 23 km S / 114 m | Alto wx (United States) | 2026-09-09 20:05 local (2026/09/10 03:05 GMT) | dry | calm (0 km/h at 162) | 26°C | - | - - 0 |
* NOTE: not all live weather reports for Petaluma River entrance, San Pablo Bay, California update at the same frequency which is why some locations can show data from stations that are more remote if the report is more recent than known closer ones. We also include live weather reports from ships and buoys if data are submitted close to Petaluma River entrance, San Pablo Bay, California, United States and within an acceptable time window.
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