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

Weather in Riverton, Utah

High country wildflowers peak. Day 58 of spring. Read this microseason across nine climate regions →

Riverton, UT
Saturday, May 16 at 11:31 PM
69
°
Overcast
Feels like
60°
Humidity
22%
Wind
11 mph
Sunrise
6:09 AM
Sunset
8:38 PM
Riverton, UT
Hour by hour · 24h
75°
5p
75°
6p
73°
7p
71°
8p
65°
9p
61°
10p
59°
11p
57°
12a
56°
1a
54°
2a
55°
3a
54°
4a
52°
5a
51°
6a
50°
7a
57°
8a
65°
9a
70°
10a
73°
11a
76°
12p
78°
1p
76°
2p
77°
3p
77°
4p
L 50°H 78°
Riverton, UT
7-day forecast
  1. Today
    May 16
    Overcast
    69°49°
  2. Sunday
    May 17
    Heavy Drizzle
    33%
    58°43°
  3. Monday
    May 18
    Heavy Drizzle
    94%
    50°39°
  4. Tuesday
    May 19
    Overcast
    63°39°
  5. Wednesday
    May 20
    Overcast
    72°45°
  6. Thursday
    May 21
    Overcast
    69°51°
  7. Friday
    May 22
    Overcast
    78°49°
Riverton, UT
Anemometer · 24h winds · from true
NESW
From · True
NNE
013° · veering 25°
Direction
NNE
013°
Sustained
11
mph
Gust
14
mph
Peak 24h
37
avg 8
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 8 · pk 37 @ 11:00p
−24h−18h−12h−6hnow
Light breeze veering 25° from the nne.
Riverton, UT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
856.3
+1.3 mb in 3h · steady · 25.29 inHg
Now
856.3
mb
3h
+1.3
mb
12h
-0.7
mb
24h
+0.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 852859
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Riverton, UT
Air quality
51
AQI
Moderate
PM 2.5
15.8 μg/m³
PM 10
101.7 μg/m³
NO₂
1.1 μg/m³
Ozone
112.0 μg/m³
UV Index
1.2 Low
Riverton, UT
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
11:40 AM
Sunrise
6:09 AM
Daylight
14h 29m
Sunset
8:38 PM
Civil dusk
3:10 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Riverton, UT
The moon
New Moon
0% illuminated
Moonrise
11:35 AM
Moonset
1:56 AM
In sign
♉︎ Taurus
Riverton, UT
Microseason · 28 of 72
May 16–20

High country wildflowers peak

weather
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Riverton at a glance

  • Today vs. normal: 69°F — typical for the season
  • Last frost: April 19 (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.

ZIP codes in Riverton

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.