Weather in Palo Alto, California
Fog and sun in daily rhythm. Day 59 of spring. Read this microseason across nine climate regions →
Palo Alto, CA
Sunday, May 17 at 3:52 AM
58
°
Mostly Clear
Feels like
55°
Humidity
54%
Wind
4 mph
Sunrise
5:58 AM
Sunset
8:11 PM
Palo Alto, CA
Hour by hour · 24h
65°
8p
61°
9p
58°
10p
57°
11p
55°
12a
55°
1a
54°
2a
54°
3a
53°
4a
51°
5a
50°
6a
53°
7a
58°
8a
62°
9a
67°
10a
72°
11a
74°
12p
77°
1p
81°
2p
78°
3p
76°
4p
75°
5p
74°
6p
71°
7p
Palo Alto, CA
7-day forecast
- TodayMay 16Mostly Clear—73°51°
- SundayMay 17Overcast—74°48°
- MondayMay 18Overcast—81°56°
- TuesdayMay 19Clear—86°57°
- WednesdayMay 20Overcast—87°60°
- ThursdayMay 21Overcast—84°59°
- FridayMay 22Partly Cloudy—82°59°
Palo Alto, CA
Next 24 hours · Mild now
Palo Alto, CA
Anemometer · 24h winds · from true
From · True
NW
315° · veering 14°
Direction
NW
315°
Sustained
4
mph
Gust
10
mph
Peak 24h
19
avg 7
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
−24h−18h−12h−6hnow
Palo Alto, CA
Air quality
43
AQI
Good
- PM 2.5
- 9.6 μg/m³
- PM 10
- 15.0 μg/m³
- NO₂
- 3.0 μg/m³
- Ozone
- 81.0 μg/m³
- UV Index
- 0.0 Low
Palo Alto, CA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
12:30 PM
Sunrise
5:58 AM
Daylight
14h 13m
Sunset
8:11 PM
Civil dusk
3:41 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Palo Alto, CA
The moon
New Moon
0% illuminated
- Moonrise
- 1:12 PM
- Moonset
- 3:45 AM
- In sign
- ♊︎ Gemini
Palo Alto, CA
Microseason · 28 of 72
May 16–20
Fog and sun in daily rhythm
plant
Palo Alto at a glance
- Today vs. normal: 16°F below the seasonal normal for this latitude
- Last frost: March 31 (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.