Petersburg Airport (PSG) Weather 06/22/2026
Today
59
Slight Chance Showers
Tonight
45
Partly Cloudy then Patchy Fog
Friday
64
Patchy Fog then Mostly Sunny
Friday Night
47
Partly Cloudy
Saturday
64
Mostly Cloudy
Saturday Night
53
Mostly Cloudy then Chance Showers
Sunday
66
Chance Showers then Showers Likely
Sunday Night
53
Showers
Monday
58
Showers
Monday Night
50
Showers
Tuesday
55
Showers
Tuesday Night
47
Showers
Wednesday
55
Showers Likely
Weekly Forecast
Today
A 20 percent chance of showers. Partly sunny, with a high near 59. Calm wind.
Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45. Calm wind.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64. Calm wind.
Friday Night
Partly cloudy, with a low around 47. Calm wind.
Saturday
Mostly cloudy, with a high near 64. Calm wind.
Saturday Night
A 30 percent chance of showers after 4am. Cloudy, with a low around 53.
Sunday
A chance of showers before 10am, then showers likely after 4pm. Cloudy, with a high near 66. Chance of precipitation is 60%.
Sunday Night
Showers. Cloudy, with a low around 53.
Monday
Showers. Cloudy, with a high near 58.
Monday Night
Showers. Cloudy, with a low around 50.
Tuesday
Showers. Cloudy, with a high near 55.
Tuesday Night
Showers. Cloudy, with a low around 47.
Wednesday
Showers likely. Cloudy, with a high near 55.