Petersburg Borough weather, town by town
3 places in Petersburg Borough, Alaska, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1924 to 2025. Station extremes, not official state records.
Petersburg Borough Weather Facts
Petersburg Borough has 3 places on myweatherrock (2 census-designated places, 1 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 84°F at Petersburg 1 on July 17, 1927. The coldest night is -19°F at Petersburg 1 on January 30, 1947. The wettest day brought 6.23 inches of rain at Petersburg 1 on October 26, 1993. The biggest single-day snow measured 20.98 inches at Petersburg 1 on March 2, 2007. Those are station measurements from NOAA's daily records, 1924 to 2025, not official state records. By area the largest place is Hobart Bay, about 119 square miles.
About Petersburg Borough weather
The map on the Now tab shows every Petersburg Borough town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 2 Petersburg Borough towns with station normals, the warmest month is July, when the day usually reaches 63°F, and the coldest is January, when the night usually falls to 26°F. October is the wettest, with rain on about 23 days.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
Petersburg Borough weather records
Measured at the NOAA stations serving these towns, daily records 1924 to 2025. Station extremes, not official state records.
Common questions about Petersburg Borough weather
- What is the hottest temperature recorded at a Petersburg Borough station?
- 84°F at Petersburg 1 on July 17, 1927, in the NOAA daily station records myweatherrock holds (1924 to 2025).
- What is the coldest temperature recorded at a Petersburg Borough station?
- -19°F at Petersburg 1 on January 30, 1947.
- What is the most rain a Petersburg Borough station has measured in one day?
- 6.23 inches at Petersburg 1 on October 26, 1993.
- What is the biggest one-day snowfall at a Petersburg Borough station?
- 20.98 inches at Petersburg 1 on March 2, 2007.
- How many Petersburg Borough towns have a weather page here?
- 3: 2 census-designated places, 1 cities. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the Petersburg Borough forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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