7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index
7 Day & Night Weather Forecast for Petersburg, AK - (Fahrenheit & Celsius)
Valid: 1:34 PM 7/12/2026
Today
Overcast with a high near 65°F[19°C]. SW wind to around 7 mph[11 kph], with gusts to near 19 mph[31 kph]. Dewpoint near 44°F[7°C] with humidity of 100%. Pressure around 30.00 in[1016 mb]. UV Index: 4.7. Chance of precipitation 12% with QPF of 0.00 in[0.0 mm].
Tonight
Overcast with a low around 47°F[8°C]. SW wind to around 7 mph[11 kph], with gusts to near 19 mph[31 kph]. Chance of precipitation 12% with QPF of 0.00 in[0.0 mm].
Monday
Light Drizzle with a high near 62°F[17°C]. WSW wind to around 4 mph[6 kph], with gusts to near 11 mph[18 kph]. Dewpoint near 44°F[7°C] with humidity of 99%. Pressure around 30.00 in[1016 mb]. UV Index: 3.9. Chance of precipitation 49% with QPF of 0.03 in[0.7 mm].
Monday Night
Light Drizzle with a low around 45°F[7°C]. WSW wind to around 4 mph[6 kph], with gusts to near 11 mph[18 kph]. Chance of precipitation 49% with QPF of 0.03 in[0.7 mm].
Tuesday
Overcast with a high near 65°F[18°C]. NNW wind to around 6 mph[10 kph], with gusts to near 18 mph[29 kph]. Dewpoint near 44°F[7°C] with humidity of 93%. Pressure around 30.00 in[1016 mb]. UV Index: 4.9. Chance of precipitation 4% with QPF of 0.00 in[0.0 mm].
Tuesday Night
Overcast with a low around 48°F[9°C]. NNW wind to around 6 mph[10 kph], with gusts to near 18 mph[29 kph]. Chance of precipitation 4% with QPF of 0.00 in[0.0 mm].
Wednesday
Overcast with a high near 71°F[22°C]. W wind to around 6 mph[9 kph], with gusts to near 15 mph[24 kph]. Dewpoint near 44°F[7°C] with humidity of 95%. Pressure around 30.00 in[1016 mb]. UV Index: 5.7. Chance of precipitation 28% with QPF of 0.00 in[0.0 mm].
Wednesday Night
Overcast with a low around 49°F[9°C]. W wind to around 6 mph[9 kph], with gusts to near 15 mph[24 kph]. Chance of precipitation 28% with QPF of 0.00 in[0.0 mm].
Thursday
Light Drizzle with a high near 64°F[18°C]. NW wind to around 6 mph[10 kph], with gusts to near 19 mph[30 kph]. Dewpoint near 44°F[7°C] with humidity of 93%. Pressure around 30.00 in[1016 mb]. UV Index: 2.25. Chance of precipitation 31% with QPF of 0.01 in[0.3 mm].
Thursday Night
Light Drizzle with a low around 51°F[11°C]. NW wind to around 6 mph[10 kph], with gusts to near 19 mph[30 kph]. Chance of precipitation 31% with QPF of 0.01 in[0.3 mm].
Friday
Overcast with a high near 71°F[22°C]. WNW wind to around 8 mph[13 kph], with gusts to near 22 mph[36 kph]. Dewpoint near 44°F[7°C] with humidity of 96%. Pressure around 30.00 in[1016 mb]. UV Index: 3.95. Chance of precipitation 29% with QPF of 0.00 in[0.0 mm].
Friday Night
Overcast with a low around 48°F[9°C]. WNW wind to around 8 mph[13 kph], with gusts to near 22 mph[36 kph]. Chance of precipitation 29% with QPF of 0.00 in[0.0 mm].
Saturday
Light Drizzle with a high near 65°F[19°C]. SSW wind to around 6 mph[9 kph], with gusts to near 19 mph[30 kph]. Dewpoint near 44°F[7°C] with humidity of 98%. Pressure around 30.00 in[1016 mb]. UV Index: 2.55. Chance of precipitation 47% with QPF of 0.15 in[3.9 mm].
Saturday Night
Light Drizzle with a low around 52°F[11°C]. SSW wind to around 6 mph[9 kph], with gusts to near 19 mph[30 kph]. Chance of precipitation 47% with QPF of 0.15 in[3.9 mm].
QPF - Max Wind Speed - Max Humidity - Snowfall
7 Day and Night - QPF Forecast for Petersburg, AK
Today: 0.0 mm|0.00 in
Tonight: 0.0 mm|0.00 in
Monday: 0.7 mm|0.03 in
Monday Night: 0.7 mm|0.03 in
Tuesday: 0.0 mm|0.00 in
Tuesday Night: 0.0 mm|0.00 in
Wednesday: 0.0 mm|0.00 in
Wednesday Night: 0.0 mm|0.00 in
Thursday: 0.3 mm|0.01 in
Thursday Night: 0.3 mm|0.01 in
Friday: 0.0 mm|0.00 in
Friday Night: 0.0 mm|0.00 in
Saturday: 3.9 mm|0.15 in
Saturday Night: 3.9 mm|0.15 in
7 Day and Night - Maximum Wind Speed Forecast for Petersburg, AK
Today: SW @ 11 kph|7 mph
Tonight: SW @ 11 kph|7 mph
Monday: WSW @ 6 kph|4 mph
Monday Night: WSW @ 6 kph|4 mph
Tuesday: NNW @ 10 kph|6 mph
Tuesday Night: NNW @ 10 kph|6 mph
Wednesday: W @ 9 kph|6 mph
Wednesday Night: W @ 9 kph|6 mph
Thursday: NW @ 10 kph|6 mph
Thursday Night: NW @ 10 kph|6 mph
Friday: WNW @ 13 kph|8 mph
Friday Night: WNW @ 13 kph|8 mph
Saturday: SSW @ 9 kph|6 mph
Saturday Night: SSW @ 9 kph|6 mph
7 Day and Night - Maximum Humidity Forecast for Petersburg, AK
Today: 100 %
Tonight: 100 %
Monday: 99 %
Monday Night: 99 %
Tuesday: 93 %
Tuesday Night: 93 %
Wednesday: 95 %
Wednesday Night: 95 %
Thursday: 93 %
Thursday Night: 93 %
Friday: 96 %
Friday Night: 96 %
Saturday: 98 %
Saturday Night: 98 %
7 Day and Night - Snowfall Totals Forecast for Petersburg, AK