Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Petersburg, Alaska

The salmon run thickens. Day 59 of spring. Read this microseason across nine climate regions →

Petersburg, AK
Sunday, May 17 at 1:38 AM
50
°
Overcast
Feels like
46°
Humidity
71%
Wind
5 mph
Sunrise
4:31 AM
Sunset
9:04 PM
Petersburg, AK
Hour by hour · 24h
47°
91%
5p
48°
97%
6p
45°
100%
7p
44°
99%
8p
42°
96%
9p
42°
94%
10p
42°
94%
11p
42°
95%
12a
41°
92%
1a
41°
84%
2a
41°
72%
3a
42°
59%
4a
42°
42%
5a
43°
22%
6a
44°
7a
46°
8a
47°
9a
49°
10a
50°
19%
11a
51°
39%
12p
52°
53%
1p
53°
53%
2p
52°
46%
3p
54°
45%
4p
L 41°H 54°
Petersburg, AK
7-day forecast
  1. Today
    May 16
    Drizzle
    89%
    53°37°
  2. Sunday
    May 17
    Light Rain
    89%
    50°37°
  3. Monday
    May 18
    Light Rain
    100%
    51°41°
  4. Tuesday
    May 19
    Light Drizzle
    68%
    52°39°
  5. Wednesday
    May 20
    Light Rain
    100%
    46°42°
  6. Thursday
    May 21
    Heavy Drizzle
    79%
    50°42°
  7. Friday
    May 22
    Light Rain
    81%
    55°36°
Petersburg, AK
Anemometer · 24h winds · from true
NESW
From · True
SSW
208° · veering 28°
Direction
SSW
208°
Sustained
5
mph
Gust
14
mph
Peak 24h
14
avg 2
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 2 · pk 14 @ 5:00p
−24h−18h−12h−6hnow
Light breeze veering 28° from the ssw.
Petersburg, AK
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
997.6
-1.1 mb in 3h · steady · 29.46 inHg
Now
997.6
mb
3h
-1.1
mb
12h
+1.3
mb
24h
+6.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 991999
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Petersburg, AK
Air quality
35
AQI
Good
PM 2.5
1.4 μg/m³
PM 10
2.1 μg/m³
NO₂
0.4 μg/m³
Ozone
78.0 μg/m³
UV Index
0.9 Low
Petersburg, AK
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:41 AM
Sunrise
4:31 AM
Daylight
16h 33m
Sunset
9:04 PM
Civil dusk
5:57 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Petersburg, AK
The moon
New Moon
0% illuminated
Moonrise
12:03 PM
Moonset
6:19 AM
In sign
♉︎ Taurus
Petersburg, AK
Microseason · 28 of 72
May 16–20

The salmon run thickens

cultural
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Petersburg at a glance

  • Today vs. normal: 5°F below the seasonal normal for this latitude
  • Last frost: July 26 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Cool-season window is open

As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).

ZIP codes in Petersburg

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.