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

Weather in Alton, Utah

Saguaro crowns open white. Day 58 of spring. Read this microseason across nine climate regions →

Alton, UT
Saturday, May 16 at 11:33 PM
67
°
Overcast
Feels like
53°
Humidity
23%
Wind
23 mph
Sunrise
6:19 AM
Sunset
8:33 PM
Alton, UT
Hour by hour · 24h
72°
5p
72°
6p
71°
7p
68°
8p
63°
9p
58°
10p
55°
11p
53°
12a
51°
1a
48°
2a
47°
3a
47°
4a
47°
5a
47°
6a
46°
7a
52°
8a
60°
9a
63°
10a
67°
11a
70°
12p
72°
1p
73°
2p
73°
3p
73°
4p
L 46°H 73°
Alton, UT
7-day forecast
  1. Today
    May 16
    Overcast
    —
    70°45°
  2. Sunday
    May 17
    Overcast
    41%
    65°41°
  3. Monday
    May 18
    Snow
    69%
    49°29°
  4. Tuesday
    May 19
    Clear
    —
    59°32°
  5. Wednesday
    May 20
    Overcast
    —
    66°39°
  6. Thursday
    May 21
    Overcast
    —
    70°47°
  7. Friday
    May 22
    Overcast
    —
    73°44°
Alton, UT
Next 24 hours · Mild now
40°60°80°6p12a6a12pnow 72°high 73°low 46°
Alton, UT
Anemometer · 24h winds · from true
NESW
From · True
WSW
245° · backing 78°
Direction
WSW
245°
Sustained
23
mph
Gust
28
mph
Peak 24h
32
avg 11
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
avg 11 · pk 32 @ 7:00p
−24h−18h−12h−6hnow
A fresh breeze drives the wsw-bound air across the harbor.
Alton, UT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
777.5
+2.3 mb in 3h · falling rapidly · 22.96 inHg
Now
777.5
mb
3h
+2.3
mb
12h
-3.5
mb
24h
-0.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 772–781
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Alton, UT
Air quality
80
AQI
Moderate
PM 2.5
3.2 μg/m³
PM 10
6.2 μg/m³
NO₂
0.2 μg/m³
Ozone
133.0 μg/m³
UV Index
1.9 Low
Alton, UT
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
11:52 AM
Sunrise
6:19 AM
Daylight
14h 14m
Sunset
8:33 PM
Civil dusk
3:03 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Alton, UT
The moon
New Moon
0% illuminated
Moonrise
11:46 AM
Moonset
1:49 AM
In sign
♉︎ Taurus
Alton, UT
Microseason · 28 of 72
May 16–20

Saguaro crowns open white

weather
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Alton at a glance

  • Today vs. normal: 7°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.

All cities in Utah →

ZIP codes in Alton

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.