Weather in Radnor, Ohio
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Radnor, OH
Sunday, May 17 at 1:39 AM
67
°
Overcast
Feels like
68°
Humidity
87%
Wind
10 mph
Sunrise
6:15 AM
Sunset
8:42 PM
Radnor, OH
Hour by hour · 24h
56°
9p
52°
10p
49°
11p
48°
12a
46°
1a
43°
2a
43°
3a
42°
4a
41°
5a
40°
6a
41°
7a
46°
8a
51°
9a
55°
10a
60°
11a
64°
12p
67°
1p
68°
2p
69°
3p
69°
4p
68°
5p
68°
6p
67°
7p
65°
8p
Radnor, OH
7-day forecast
- TodayMay 16Rain72%74°53°
- SundayMay 17Overcast13%83°59°
- MondayMay 18Overcast—84°62°
- TuesdayMay 19Light Showers56%83°67°
- WednesdayMay 20Drizzle69%68°50°
- ThursdayMay 21Overcast11%62°43°
- FridayMay 22Light Drizzle26%62°52°
Radnor, OH
Next 24 hours · Cool now
Radnor, OH
Anemometer · 24h winds · from true
From · True
SSW
212° · veering 51°
Direction
SSW
212°
Sustained
10
mph
Gust
17
mph
Peak 24h
29
avg 10
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
−24h−18h−12h−6hnow
Radnor, OH
Air quality
41
AQI
Good
- PM 2.5
- 3.8 μg/m³
- PM 10
- 4.1 μg/m³
- NO₂
- 6.4 μg/m³
- Ozone
- 80.0 μg/m³
- UV Index
- 0.0 Low
Radnor, OH
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:45 AM
Sunrise
6:15 AM
Daylight
14h 27m
Sunset
8:42 PM
Civil dusk
1:14 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Radnor, OH
The moon
New Moon
0% illuminated
- Moonrise
- 10:20 AM
- Moonset
- 1:11 AM
- In sign
- ♉︎ Taurus
Radnor, OH
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Radnor at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: April 18 (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.