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

Weather in Riverside, Idaho

High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →

Riverside, ID
Sunday, May 17 at 5:02 AM
44
°
Clear
Feels like
35°
Humidity
31%
Wind
7 mph
Sunrise
6:04 AM
Sunset
8:47 PM
Riverside, ID
Hour by hour · 24h
53°
11p
52°
12a
49°
1a
47°
2a
44°
3a
42°
4a
41°
5a
40°
6a
42°
7a
47°
8a
51°
9a
55°
10a
60°
11a
62°
12p
64°
1p
66°
2p
66°
3p
66°
4p
66°
5p
65°
6p
63°
7p
59°
8p
54°
9p
51°
10p
L 40°H 66°
Riverside, ID
7-day forecast
  1. Today
    May 16
    Overcast
    61°42°
  2. Sunday
    May 17
    Overcast
    55°35°
  3. Monday
    May 18
    Overcast
    59°33°
  4. Tuesday
    May 19
    Overcast
    65°36°
  5. Wednesday
    May 20
    Overcast
    64°43°
  6. Thursday
    May 21
    Overcast
    69°38°
  7. Friday
    May 22
    Overcast
    77°45°
Riverside, ID
Anemometer · 24h winds · from true
NESW
From · True
W
265° · veering 63°
Direction
W
265°
Sustained
7
mph
Gust
15
mph
Peak 24h
33
avg 13
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
avg 13 · pk 33 @ 6:00p
−24h−18h−12h−6hnow
Light breeze veering 63° from the w.
Riverside, ID
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
859.4
-0.2 mb in 3h · steady · 25.38 inHg
Now
859.4
mb
3h
-0.2
mb
12h
-1.7
mb
24h
+2.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 857863
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Riverside, ID
Air quality
56
AQI
Moderate
PM 2.5
2.0 μg/m³
PM 10
9.5 μg/m³
NO₂
1.1 μg/m³
Ozone
103.0 μg/m³
UV Index
0.0 Low
Riverside, ID
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:33 AM
Sunrise
6:04 AM
Daylight
14h 43m
Sunset
8:47 PM
Civil dusk
3:21 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Riverside, ID
The moon
New Moon
0% illuminated
Moonrise
12:09 PM
Moonset
3:26 AM
In sign
♊︎ Gemini
Riverside, ID
Microseason · 28 of 72
May 16–20

High country wildflowers peak

bird
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Riverside at a glance

  • Today vs. normal: 24°F below the seasonal normal for this latitude
  • Last frost: May 5 (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

Cool-season window is open

As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).

ZIP codes in Riverside

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.