Weather in Half Moon Bay, California
Fog and sun in daily rhythm. Day 58 of spring. Read this microseason across nine climate regions →
Half Moon Bay, CA
Saturday, May 16 at 11:59 PM
58
°
Clear
Feels like
49°
Humidity
67%
Wind
21 mph
Sunrise
5:59 AM
Sunset
8:12 PM
Half Moon Bay, CA
Hour by hour · 24h
58°
4p
57°
5p
57°
6p
56°
7p
55°
8p
54°
9p
54°
10p
53°
11p
53°
12a
53°
1a
53°
2a
52°
3a
52°
4a
52°
5a
50°
6a
52°
7a
55°
8a
59°
9a
60°
10a
61°
11a
62°
12p
62°
1p
61°
2p
60°
3p
Half Moon Bay, CA
7-day forecast
- TodayMay 16Partly Cloudy—61°51°
- SundayMay 17Overcast—64°50°
- MondayMay 18Mostly Clear—75°52°
- TuesdayMay 19Partly Cloudy—86°50°
- WednesdayMay 20Overcast—71°51°
- ThursdayMay 21Overcast—65°50°
- FridayMay 22Overcast—66°51°
Half Moon Bay, CA
Next 24 hours · Cool now
Half Moon Bay, CA
Anemometer · 24h winds · from true
From · True
NNW
329° · veering 31°
Direction
NNW
329°
Sustained
21
mph
Gust
36
mph
Peak 24h
45
avg 17
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
−24h−18h−12h−6hnow
Half Moon Bay, CA
Air quality
40
AQI
Good
- PM 2.5
- 8.1 μg/m³
- PM 10
- 13.1 μg/m³
- NO₂
- 1.8 μg/m³
- Ozone
- 85.0 μg/m³
- UV Index
- 4.1 Moderate
Half Moon Bay, CA
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
12:31 PM
Sunrise
5:59 AM
Daylight
14h 13m
Sunset
8:12 PM
Civil dusk
3:43 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Half Moon Bay, CA
The moon
New Moon
0% illuminated
- Moonrise
- 12:27 PM
- Moonset
- 2:31 AM
- In sign
- ♉︎ Taurus
Half Moon Bay, CA
Microseason · 28 of 72
May 16–20
Fog and sun in daily rhythm
weather
Half Moon Bay at a glance
- Today vs. normal: 16°F below the seasonal normal for this latitude
- Last frost: April 1 (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.