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

Weather in Tacna, Arizona

Saguaro crowns open white. Day 59 of spring. Read this microseason across nine climate regions →

Tacna, AZ
Sunday, May 17 at 12:42 AM
94
°
Clear
Feels like
86°
Humidity
14%
Wind
12 mph
Sunrise
5:36 AM
Sunset
7:28 PM
Tacna, AZ
Hour by hour · 24h
97°
5p
97°
6p
94°
7p
89°
8p
86°
9p
86°
10p
81°
11p
79°
12a
76°
1a
74°
2a
72°
3a
71°
4a
69°
5a
67°
6a
72°
7a
78°
8a
85°
9a
89°
10a
92°
11a
95°
12p
97°
1p
98°
2p
98°
3p
99°
4p
L 67°H 99°
Tacna, AZ
7-day forecast
  1. Today
    May 16
    Clear
    96°67°
  2. Sunday
    May 17
    Overcast
    91°65°
  3. Monday
    May 18
    Overcast
    90°65°
  4. Tuesday
    May 19
    Overcast
    91°62°
  5. Wednesday
    May 20
    Overcast
    96°68°
  6. Thursday
    May 21
    Overcast
    96°64°
  7. Friday
    May 22
    Clear
    98°64°
Tacna, AZ
Anemometer · 24h winds · from true
NESW
From · True
W
259° · veering 138°
Direction
W
259°
Sustained
12
mph
Gust
16
mph
Peak 24h
25
avg 9
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
avg 9 · pk 25 @ 11:00p
−24h−18h−12h−6hnow
Light breeze veering 138° from the w.
Tacna, AZ
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
990.0
-1.4 mb in 3h · steady · 29.23 inHg
Now
990.0
mb
3h
-1.4
mb
12h
-4.5
mb
24h
-4.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 990995
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Tacna, AZ
Air quality
48
AQI
Good
PM 2.5
11.5 μg/m³
PM 10
62.6 μg/m³
NO₂
0.5 μg/m³
Ozone
134.0 μg/m³
UV Index
1.6 Low
Tacna, AZ
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
12:10 PM
Sunrise
5:36 AM
Daylight
13h 52m
Sunset
7:28 PM
Civil dusk
2:56 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Tacna, AZ
The moon
New Moon
0% illuminated
Moonrise
12:53 PM
Moonset
2:56 AM
In sign
♉︎ Taurus
Tacna, AZ
Microseason · 28 of 72
May 16–20

Saguaro crowns open white

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Tacna at a glance

  • Today vs. normal: 15°F above the seasonal normal for this latitude
  • Last frost: March 3 (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

Peak growing season

As of May 17, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

ZIP codes in Tacna

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.