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

Weather in Greenfield, California

Fog and sun in daily rhythm. Day 59 of spring. Read this microseason across nine climate regions →

Greenfield, CA
Sunday, May 17 at 2:03 AM
61
°
Clear
Feels like
51°
Humidity
44%
Wind
18 mph
Sunrise
5:57 AM
Sunset
8:05 PM
Greenfield, CA
Hour by hour · 24h
67°
7p
61°
8p
58°
9p
56°
10p
54°
11p
52°
12a
51°
1a
48°
2a
49°
3a
46°
4a
48°
5a
48°
6a
49°
7a
54°
8a
58°
9a
64°
10a
71°
11a
75°
12p
78°
1p
79°
2p
77°
3p
75°
4p
72°
5p
69°
6p
L 46°H 79°
Greenfield, CA
7-day forecast
  1. Today
    May 16
    Mostly Clear
    73°49°
  2. Sunday
    May 17
    Mostly Clear
    76°48°
  3. Monday
    May 18
    Overcast
    84°51°
  4. Tuesday
    May 19
    Clear
    90°56°
  5. Wednesday
    May 20
    Overcast
    91°59°
  6. Thursday
    May 21
    Overcast
    92°57°
  7. Friday
    May 22
    Overcast
    90°54°
Greenfield, CA
Anemometer · 24h winds · from true
NESW
From · True
NNW
336° · veering 42°
Direction
NNW
336°
Sustained
18
mph
Gust
27
mph
Peak 24h
28
avg 13
Beaufort · 4 · MOD 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 13 · pk 28 @ 4:00p
−24h−18h−12h−6hnow
Sustained 18 mph with gusts pulsing to 27 — flags snap, branches bend.
Greenfield, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1000.9
-1.3 mb in 3h · falling · 29.56 inHg
Now
1000.9
mb
3h
-1.3
mb
12h
-2.7
mb
24h
-2.8
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10011005
−24h−18h−12h−6hnow
Pressure giving way — clouds thicken and rain edges closer.
Greenfield, CA
Air quality
46
AQI
Good
PM 2.5
6.7 μg/m³
PM 10
10.7 μg/m³
NO₂
1.1 μg/m³
Ozone
91.0 μg/m³
UV Index
0.2 Low
Greenfield, CA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
12:30 PM
Sunrise
5:57 AM
Daylight
14h 08m
Sunset
8:05 PM
Civil dusk
3:35 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Greenfield, CA
The moon
New Moon
0% illuminated
Moonrise
1:12 PM
Moonset
3:38 AM
In sign
♉︎ Taurus
Greenfield, CA
Microseason · 28 of 72
May 16–20

Fog and sun in daily rhythm

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Greenfield at a glance

  • Today vs. normal: 14°F below the seasonal normal for this latitude
  • Last frost: March 25 (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 Greenfield

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.