Current weather conditions and 15 day weather forecast for Petersburg, Alaska, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 21 August 2026 Friday 19.1 ° C / 66.3°F ![]() Overcast |
Feels Like : 19 ° C / 66.2°F Humidity : % 63 Pressure : 1020 mb Wind Speed : 3.6 kmph / 2.2 miles from WSW ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 August 2026 Thursday | Overcast |
11.1 ° C (52.1°F) |
19.5 ° C (67.2°F) |
15.4 ° C (59.8°F) |
% 80 | 22% | 3.6 | Sunrise:05:30 AM Sunset: 08:20 PM |
Moonrise:05:03 PM Moonset: 10:09 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Patchy rain nearby |
13 ° C (55.4°F) |
18.4 ° C (65°F) |
15.6 ° C (60.1°F) |
% 85 | 37% | 3.2 | Sunrise:05:32 AM Sunset: 08:17 PM |
Moonrise:06:07 PM Moonset: 10:55 PM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Light rain shower |
12.4 ° C (54.3°F) |
14.3 ° C (57.8°F) |
13.5 ° C (56.3°F) |
% 92 | 91% | 3.3 | Sunrise:05:34 AM Sunset: 08:14 PM |
Moonrise:06:50 PM Moonset: Does not set today Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Light rain shower |
8.6 ° C (47.5°F) |
16.5 ° C (61.6°F) |
11.4 ° C (52.5°F) |
% 89 | 90% | 3.2 | Sunrise:05:36 AM Sunset: 08:12 PM |
Moonrise:07:16 PM Moonset: 12:00 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Patchy rain nearby |
9.8 ° C (49.7°F) |
17.4 ° C (63.4°F) |
12.5 ° C (54.5°F) |
% 85 | 87% | 2.9 | Sunrise:05:38 AM Sunset: 08:09 PM |
Moonrise:07:31 PM Moonset: 01:17 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday | Sunny |
9.6 ° C (49.3°F) |
18.8 ° C (65.9°F) |
13.7 ° C (56.6°F) |
% 76 | 67% | 5 | Sunrise:05:40 AM Sunset: 08:07 PM |
Moonrise:07:41 PM Moonset: 02:39 AM Moon Phase ( Full Moon ) |
|
| 26 August 2026 Wednesday | Sunny |
9.4 ° C (49°F) |
16.3 ° C (61.4°F) |
12.5 ° C (54.6°F) |
% 85 | 67% | 4 | Sunrise:05:42 AM Sunset: 08:04 PM |
Moonrise:07:47 PM Moonset: 04:01 AM Moon Phase ( Full Moon ) |
|
| 27 August 2026 Thursday | Mist |
10 ° C (50°F) |
11 ° C (51.8°F) |
10.5 ° C (50.9°F) |
% 95 | 89% | 3 | Sunrise:05:44 AM Sunset: 08:02 PM |
Moonrise:07:52 PM Moonset: 05:21 AM Moon Phase ( Full Moon ) |
|
| 28 August 2026 Friday | Patchy rain nearby |
9.2 ° C (48.6°F) |
15.8 ° C (60.4°F) |
11.9 ° C (53.4°F) |
% 85 | 76% | 4 | Sunrise:05:46 AM Sunset: 07:59 PM |
Moonrise:07:56 PM Moonset: 06:40 AM Moon Phase ( Full Moon ) |
|
| 29 August 2026 Saturday | Overcast |
8 ° C (46.4°F) |
17.6 ° C (63.8°F) |
12.6 ° C (54.6°F) |
% 78 | 18% | 4 | Sunrise:05:48 AM Sunset: 07:56 PM |
Moonrise:08:00 PM Moonset: 07:58 AM Moon Phase ( Waning Gibbous ) |
|
| 30 August 2026 Sunday | Overcast |
9.8 ° C (49.6°F) |
17.3 ° C (63.2°F) |
13.3 ° C (56°F) |
% 77 | 20% | 5 | Sunrise:05:50 AM Sunset: 07:54 PM |
Moonrise:08:05 PM Moonset: 09:17 AM Moon Phase ( Waning Gibbous ) |
|
| 31 August 2026 Monday | Sunny |
10.6 ° C (51°F) |
20.9 ° C (69.6°F) |
14.9 ° C (58.8°F) |
% 66 | 8% | 6 | Sunrise:05:52 AM Sunset: 07:51 PM |
Moonrise:08:10 PM Moonset: 10:38 AM Moon Phase ( Waning Gibbous ) |
|
| 01 September 2026 Tuesday | Overcast |
10.9 ° C (51.6°F) |
21 ° C (69.8°F) |
14.5 ° C (58°F) |
% 66 | 10% | 6 | Sunrise:05:54 AM Sunset: 07:48 PM |
Moonrise:08:18 PM Moonset: 12:04 PM Moon Phase ( Waning Gibbous ) |
|
| 02 September 2026 Wednesday | Sunny |
10.9 ° C (51.6°F) |
19.8 ° C (67.6°F) |
14.6 ° C (58.2°F) |
% 71 | 8% | 5 | Sunrise:05:56 AM Sunset: 07:46 PM |
Moonrise:08:31 PM Moonset: 01:34 PM Moon Phase ( Last Quarter ) |
|