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

Weather in Riverdale, Georgia

Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →

Riverdale, GA
Sunday, May 17 at 1:31 AM
75
°
Overcast
Feels like
74°
Humidity
50%
Wind
4 mph
Sunrise
6:36 AM
Sunset
8:31 PM
Riverdale, GA
Hour by hour · 24h
67°
9p
63°
10p
61°
11p
57°
12a
56°
1a
54°
2a
52°
3a
50°
4a
50°
5a
48°
6a
49°
7a
55°
8a
58°
9a
62°
10a
65°
11a
68°
12p
70°
1p
73°
2p
76°
3p
77°
4p
78°
5p
78°
6p
77°
7p
75°
8p
L 48°H 78°
Riverdale, GA
7-day forecast
  1. Today
    May 16
    Overcast
    85°54°
  2. Sunday
    May 17
    Overcast
    28%
    89°64°
  3. Monday
    May 18
    Overcast
    91°66°
  4. Tuesday
    May 19
    Overcast
    88°67°
  5. Wednesday
    May 20
    Drizzle
    28%
    92°69°
  6. Thursday
    May 21
    Overcast
    47%
    86°68°
  7. Friday
    May 22
    Light Drizzle
    64%
    83°67°
Riverdale, GA
Anemometer · 24h winds · from true
NESW
From · True
S
170° · veering 35°
Direction
S
170°
Sustained
4
mph
Gust
7
mph
Peak 24h
12
avg 3
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 3 · pk 12 @ 9:00a
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Riverdale, GA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
986.0
-0.4 mb in 3h · falling · 29.12 inHg
Now
986.0
mb
3h
-0.4
mb
12h
-3.1
mb
24h
+0.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 985989
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Riverdale, GA
Air quality
98
AQI
Moderate
PM 2.5
12.6 μg/m³
PM 10
13.8 μg/m³
NO₂
14.4 μg/m³
Ozone
101.0 μg/m³
UV Index
0.0 Low
Riverdale, GA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:10 AM
Sunrise
6:36 AM
Daylight
13h 55m
Sunset
8:31 PM
Civil dusk
1:00 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Riverdale, GA
The moon
New Moon
0% illuminated
Moonrise
10:48 AM
Moonset
12:55 AM
In sign
♉︎ Taurus
Riverdale, GA
Microseason · 28 of 72
May 16–20

Roses open on the Piedmont edge

insect
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Riverdale at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: March 8 (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 Riverdale

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.