Weather in Grass Valley, California
Fog and sun in daily rhythm. Day 58 of spring. Read this microseason across nine climate regions →
Grass Valley, CA
Saturday, May 16 at 11:58 PM
70
°
Clear
Feels like
63°
Humidity
30%
Wind
10 mph
Sunrise
5:49 AM
Sunset
8:11 PM
Grass Valley, CA
Hour by hour · 24h
78°
4p
78°
5p
77°
6p
75°
7p
68°
8p
66°
9p
66°
10p
64°
11p
64°
12a
62°
1a
62°
2a
61°
3a
59°
4a
59°
5a
57°
6a
58°
7a
65°
8a
70°
9a
72°
10a
74°
11a
74°
12p
75°
1p
77°
2p
78°
3p
Grass Valley, CA
7-day forecast
- TodayMay 16Overcast—71°54°
- SundayMay 17Overcast—64°50°
- MondayMay 18Clear—75°43°
- TuesdayMay 19Clear—78°50°
- WednesdayMay 20Overcast—80°55°
- ThursdayMay 21Overcast—83°57°
- FridayMay 22Clear—82°58°
Grass Valley, CA
Next 24 hours · Mild now
Grass Valley, CA
Anemometer · 24h winds · from true
From · True
NW
314° · veering 35°
Direction
NW
314°
Sustained
10
mph
Gust
13
mph
Peak 24h
15
avg 7
Beaufort · 3 · GENTLE 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
−24h−18h−12h−6hnow
Grass Valley, CA
Air quality
41
AQI
Good
- PM 2.5
- 2.5 μg/m³
- PM 10
- 4.2 μg/m³
- NO₂
- 0.4 μg/m³
- Ozone
- 106.0 μg/m³
- UV Index
- 3.8 Moderate
Grass Valley, CA
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
12:21 PM
Sunrise
5:49 AM
Daylight
14h 22m
Sunset
8:11 PM
Civil dusk
3:42 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Grass Valley, CA
The moon
New Moon
0% illuminated
- Moonrise
- 12:16 PM
- Moonset
- 2:30 AM
- In sign
- ♉︎ Taurus
Grass Valley, CA
Microseason · 28 of 72
May 16–20
Fog and sun in daily rhythm
weather
Grass Valley at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: April 11 (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 16, 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.