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

Kachemak, Alaska Weather

Mosquitoes rise from snowmelt. Day 77 of spring. Read this microseason across nine climate regions →

Kachemak weather forecast — hour by hour, 7-day outlook, NOAA radar

Kachemak, AK
Thursday, June 4 at 9:25 PM
69
°
Clear
Feels like
69°
Humidity
54%
Wind
7 mph
Sunrise
4:52 AM
Sunset
11:15 PM
Kachemak, AK
Hour by hour · 24h
24-Hour ForecastKachemak, AK: 24-hour forecast. Temperatures range from 53 to 64 degrees Fahrenheit.
L 53°H 64°
Kachemak, AK
7-day forecast
  1. Today
    Jun 4
    Clear
    70°56°
  2. Friday
    Jun 5
    Clear
    63°53°-7°
  3. Saturday
    Jun 6
    Drizzle
    88%
    0.01″
    61°49°-2°
  4. Sunday
    Jun 7
    Light Drizzle
    84%
    0.07″
    53°46°-8°
  5. Monday
    Jun 8
    Light Drizzle
    22%
    0.04″
    53°47°
  6. Tuesday
    Jun 9
    Light Drizzle
    17%
    57°45°+4°
  7. Wednesday
    Jun 10
    Overcast
    39%
    62°49°+5°
Kachemak, AK
Anemometer · 24h winds · from true
NESW
From · True
SW
236° · veering 11°
Direction
SW
236°
Sustained
7
mph
Gust
16
mph
Peak 24h
18
avg 3
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 3 · pk 18 @ 2:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 156SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 11° from the sw.
Kachemak, AK
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1002.4
-0.3 mb in 3h · steady · 29.60 inHg
Now
1002.4
mb
3h
-0.3
mb
12h
-1.4
mb
24h
-1.3
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10021004
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1003.91001.81001.8
−24h−18h−12h−6hnow
Damp, unsettled regime — wet weather lingers nearby.
Kachemak, AK
Air quality
37
AQI
Good
+1 in 6h

Ozone at AQI 44 now. AQI flat over the last 6 hours (within ±3 points). With UV 5.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 29 by mid-afternoon.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
7.3μg/m³
PM 10Good
15μg/m³
NO₂Good
1μg/m³
OzoneDRIVERModerate
94μg/m³
UV IndexModerate
5.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 44 now. With UV 5.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 29 by mid-afternoon.

Present
AQI 44
UV peak
5.0 at 1 PM
Sky at peak
clear
Projected peak
AQI 29

PM × Wind × Precip

PM2.5/PM10 ratio 0.49 with 7 mph wind — characteristic of long-range haze transport rather than a local source.

PM2.5/PM10
0.49
Wind
light
Recent rain
0h in last 6h
Pattern
transport
Kachemak, AK
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
115.3mi
UNLIMITED
130 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
21:25 UTC ·Kachemak, AK · NOAA NESDIS / STAR · 21696x21696 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
21:25 UTC ·Kachemak, AK · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
Kachemak, AK
Satellite · infrared · animated
Kachemak, AK
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Kachemak, AK
Almanac · Thursday, June 4
A summer fog for fair, a winter fog for rain.
Civil dawn
11:31 AM
Sunrise
4:52 AM
Daylight
18h 23m
Sunset
11:15 PM
Civil dusk
8:39 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Kachemak, AK
The moon
Waning Gibbous
82% illuminated
Moonrise
10:24 AM
Moonset
4:40 PM
In sign
♒︎ Aquarius
Kachemak, AK
Microseason
Jun 1–5

Mosquitoes rise from snowmelt

bird
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

Kachemak at a glance

  • Today vs. normal: 14°F above the seasonal normal for this latitude
  • Last frost: August 12 (climatological average for this latitude)
  • Microseason: Jun 1–5
  • Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.

Right now in the garden

Warm-season window is open

As of June 4, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

ZIP codes in Kachemak

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.