Weather in Siloam Springs, Arkansas
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Siloam Springs, AR
Sunday, May 17 at 3:49 AM
73
°
Clear
Feels like
71°
Humidity
69%
Wind
15 mph
Sunrise
6:10 AM
Sunset
8:18 PM
Siloam Springs, AR
Hour by hour · 24h
67°
10p
66°
11p
66°
12a
66°
1a
66°
2a
67°
3a
66°
4a
67°
5a
67°
6a
69°
7a
71°
8a
73°
9a
72°
10a
73°
22%
11a
76°
21%
12p
77°
12%
1p
79°
16%
2p
77°
13%
3p
77°
14%
4p
74°
20%
5p
73°
20%
6p
74°
19%
7p
73°
16%
8p
73°
14%
9p
Siloam Springs, AR
7-day forecast
- TodayMay 16Overcast16%83°73°
- SundayMay 17Overcast24%85°69°
- MondayMay 18Thunderstorm18%87°74°
- TuesdayMay 19Drizzle65%78°57°
- WednesdayMay 20Light Showers70%62°57°
- ThursdayMay 21Light Drizzle35%66°57°
- FridayMay 22Light Drizzle35%73°57°
Siloam Springs, AR
Next 24 hours · Mild now
Siloam Springs, AR
Anemometer · 24h winds · from true
From · True
S
180° · veering 5°
Direction
S
180°
Sustained
15
mph
Gust
26
mph
Peak 24h
46
avg 14
Beaufort · 4 · MOD 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
−24h−18h−12h−6hnow
Siloam Springs, AR
Air quality
44
AQI
Good
- PM 2.5
- 6.4 μg/m³
- PM 10
- 8.1 μg/m³
- NO₂
- 1.4 μg/m³
- Ozone
- 94.0 μg/m³
- UV Index
- 0.0 Low
Siloam Springs, AR
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:43 AM
Sunrise
6:10 AM
Daylight
14h 08m
Sunset
8:18 PM
Civil dusk
1:47 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Siloam Springs, AR
The moon
New Moon
0% illuminated
- Moonrise
- 11:22 AM
- Moonset
- 1:45 AM
- In sign
- ♊︎ Gemini
Siloam Springs, AR
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Siloam Springs at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: March 24 (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 17, 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.