Petaluma Muni
Weather station · 38.3°N 122.6°W · 26 m above sea level
ICAO KO69Station data since 1893
Record high
39.4°C
in 1936
Record low
2.8°C
in 1929
Average high
27.5°C
all years on record
19.4°C short of the record for 23 September
Today’s high 20.0°C against 39.4°C in 1936. A reading that beats it is flagged here automatically, once a second cycle confirms it.
All-time record high
43.3°C
- Date
- Thursday, 2 June 1960
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Petaluma Muni, United States
- Position
- 38.26°N 122.61°W · 26 m
Highest highest in available records since 1893. Source: NOAA GHCN-Daily.
All-time record low
−8.9°C
- Date
- Wednesday, 14 December 1932
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Petaluma Muni, United States
- Position
- 38.26°N 122.61°W · 26 m
Highest and lowest lowest in available records since 1893. Source: NOAA GHCN-Daily.
Where Petaluma Muni is
38.26°N 122.61°W
Every year on record
1893 to 2026
Annual average · °C
Trend over 110 years with data: +0.04 °C per decade
Source: NOAA GHCN-Daily. Years the station did not cover are left as gaps, never joined across. The dashed line is a least squares trend through the years that have data.
Records by month
Jan
29.4°
−7.8°
Feb
31.7°
−7.8°
Mar
33.9°
−4.4°
Apr
36.1°
−4.4°
May
38.3°
−2.8°
Jun
43.3°
0.0°
Jul
43.3°
3.9°
Aug
40.6°
3.9°
Sep
42.8°
Recent days
| Day | High | At | Low | At |
|---|---|---|---|---|
| 2026-09-23 | 20.0°C | 00:15 UTC | 9.0°C | 06:35 UTC |
| 2026-09-22 | 26.0°C | 22:15 UTC | 11.0°C | 14:50 UTC |
Nearby stations
Data sources for this page
| Figure | Source | Type |
|---|---|---|
| Right now, today so far | NOAA Aviation Weather Center (METAR) and NOAA NWS WMO bulletins (SYNOP) | Measured, station |
| All-time, monthly and on-this-day records | NOAA NCEI Global Historical Climatology Network daily (GHCN-Daily), 1893 to 2026 | Measured, station |
| Nearby stations and distances | Computed from station positions in our own database | Calculated |
