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

Weather in Eureka, California

Shoots and Sprouts Rise in Ranks. Day 59 of spring. Read this microseason across nine climate regions →

Eureka, CA
Sunday, May 17 at 12:49 AM
55
°
Clear
Feels like
45°
Humidity
68%
Wind
21 mph
Sunrise
5:57 AM
Sunset
8:28 PM
Eureka, CA
Hour by hour · 24h
60°
5p
59°
6p
57°
7p
56°
8p
54°
9p
53°
10p
52°
11p
54°
12a
54°
1a
54°
2a
54°
3a
53°
4a
53°
5a
52°
6a
52°
7a
54°
8a
56°
9a
57°
10a
58°
11a
59°
12p
60°
1p
60°
2p
60°
3p
60°
4p
L 52°H 60°
Eureka, CA
7-day forecast
  1. Today
    May 16
    Overcast
    58°51°
  2. Sunday
    May 17
    Overcast
    58°50°
  3. Monday
    May 18
    Clear
    63°46°
  4. Tuesday
    May 19
    Overcast
    67°45°
  5. Wednesday
    May 20
    Overcast
    67°48°
  6. Thursday
    May 21
    Overcast
    74°49°
  7. Friday
    May 22
    Partly Cloudy
    73°49°
Eureka, CA
Anemometer · 24h winds · from true
NESW
From · True
N
006° · backing 24°
Direction
N
006°
Sustained
21
mph
Gust
33
mph
Peak 24h
40
avg 16
Beaufort · 5 · FRESH 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 16 · pk 40 @ 12:00a
−24h−18h−12h−6hnow
Sustained 21 mph with gusts pulsing to 33 — flags snap, branches bend.
Eureka, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1021.4
+1.7 mb in 3h · falling · 30.16 inHg
Now
1021.4
mb
3h
+1.7
mb
12h
+0.2
mb
24h
+0.3
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10191022
−24h−18h−12h−6hnow
Fair and building — a clean high settles over the region.
Eureka, CA
Air quality
40
AQI
Good
PM 2.5
9.4 μg/m³
PM 10
15.8 μg/m³
NO₂
0.4 μg/m³
Ozone
84.0 μg/m³
UV Index
2.3 Low
Eureka, CA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
12:28 PM
Sunrise
5:57 AM
Daylight
14h 31m
Sunset
8:28 PM
Civil dusk
4:00 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Eureka, CA
The moon
New Moon
0% illuminated
Moonrise
1:07 PM
Moonset
4:06 AM
In sign
♉︎ Taurus
Eureka, CA
Microseason · 28 of 72
May 16–20

Shoots and Sprouts Rise in Ranks

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Eureka at a glance

  • Today vs. normal: 16°F below the seasonal normal for this latitude
  • Last frost: April 21 (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

Warm-season window is open

As of May 17, 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 Eureka

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.