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

Fortuna, California Weather

Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →

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

Fortuna, CA
Sunday, July 5 at 10:49 AM
63
°
Overcast
Feels like
61°
Humidity
77%
Wind
7 mph
Sunrise
10:52 PM
Sunset
1:50 PM
Fortuna, CA
Hour by hour · 24h
24-Hour ForecastFortuna, CA: 24-hour forecast. Temperatures range from 54 to 70 degrees Fahrenheit.
L 54°H 70°
Fortuna, CA
7-day forecast
  1. Today
    Jul 5
    Overcast
    70°52°
  2. Monday
    Jul 6
    Foggy
    63°54°-7°
  3. Tuesday
    Jul 7
    Foggy
    69°51°+6°
  4. Wednesday
    Jul 8
    Overcast
    73°48°+4°
  5. Thursday
    Jul 9
    Foggy
    72°53°-1°
  6. Friday
    Jul 10
    Foggy
    71°53°-1°
  7. Saturday
    Jul 11
    Foggy
    67°48°-4°
Fortuna, CA
Anemometer · 24h winds · from true
NESW
From · True
NW
311° · veering 17°
Direction
NW
311°
Sustained
7
mph
Gust
9
mph
Peak 24h
12
avg 5
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 5 · pk 12 @ 2:00p
010MPHB1B2B3B4-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 125SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Fortuna, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1012.1
+0.7 mb in 3h · rising · 29.89 inHg
Now
1012.1
mb
3h
+0.7
mb
12h
-1.4
mb
24h
-2.2
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10111014
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1013.81010.51011.6
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Fortuna, CA
Air quality
25
AQI
Good
+2 in 6h

AQI 25 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.3 µg/m³, PM10 at 8.8 µg/m³ — typical background levels with no transport signature.

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

PM 2.5DRIVERGood
6.3μg/m³
PM 10Good
9μg/m³
NO₂Good
2μg/m³
OzoneGood
53μg/m³
UV IndexModerate
3.9

What's driving it

PM × Wind × Precip

PM2.5 at 6.3 µg/m³, PM10 at 8.8 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.72
Wind
light
Recent rain
0h in last 6h
Pattern
background
Fortuna, CA
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
38.1mi
UNLIMITED
41 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
17:49 UTC · Fortuna, CA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
17:49 UTC · Fortuna, CA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Fortuna, CA
Satellite · infrared · animated
Fortuna, CA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Fortuna, CA
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:19 AM
Sunrise
10:52 PM
Daylight
14h 58m
Sunset
1:50 PM
Civil dusk
9:24 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Fortuna, CA
The moon
Waning Gibbous
71% illuminated
Moonrise
11:37 PM
Moonset
11:35 AM
In sign
♓︎ Pisces
Fortuna, CA
Microseason
Jul 1–5

Summer heat deepens across the valleys

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Fortuna at a glance

  • Today vs. normal: 8°F below the seasonal normal for this latitude
  • Last frost: April 20 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 95540

16-Day Forecast — Fortuna

  1. Sun70°52°0%
  2. Mon63°54°1%
  3. Tue69°51°1%
  4. Wed73°48°2%
  5. Thu72°53°0%
  6. Fri71°53°3%
  7. Sat67°48°3%
  8. Sun75°48°2%
  9. Mon78°52°2%
  10. Tue79°56°1%
  11. Wed77°56°1%
  12. Thu78°54°3%
  13. Fri80°54°3%
  14. Sat79°54°3%
  15. Sun76°54°3%
  16. Mon72°53°3%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

ZIP codes in Fortuna

  • 95540

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.