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

Weather in London, Ohio

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

London, OH
Sunday, May 17 at 5:08 AM
63
°
Partly Cloudy
Feels like
63°
Humidity
89%
Wind
8 mph
Sunrise
6:16 AM
Sunset
8:43 PM
London, OH
Hour by hour · 24h
45°
1a
44°
2a
43°
3a
42°
4a
41°
5a
40°
6a
41°
7a
46°
8a
53°
9a
59°
10a
62°
11a
66°
12p
66°
1p
67°
2p
66°
3p
67°
4p
66°
5p
66°
6p
66°
7p
64°
8p
62°
9p
59°
10p
57°
11p
56°
12a
L 40°H 67°
London, OH
7-day forecast
  1. Today
    May 17
    Light Drizzle
    17%
    85°59°
  2. Monday
    May 18
    Overcast
    11%
    88°62°
  3. Tuesday
    May 19
    Drizzle
    58%
    83°67°
  4. Wednesday
    May 20
    Drizzle
    67%
    67°52°
  5. Thursday
    May 21
    Overcast
    14%
    63°45°
  6. Friday
    May 22
    Light Drizzle
    30%
    65°54°
  7. Saturday
    May 23
    Light Drizzle
    43%
    71°64°
London, OH
Next 24 hours · Cold now
FREEZING 32°30°53°75°6a12p6p12anow 45°high 67°low 40°
London, OH
Anemometer · 24h winds · from true
NESW
From · True
WSW
257° · veering 97°
Direction
WSW
257°
Sustained
8
mph
Gust
16
mph
Peak 24h
35
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
avg 10 · pk 35 @ 10:00a
−24h−18h−12h−6hnow
Light breeze veering 97° from the wsw.
London, OH
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
977.6
-0.3 mb in 3h · rising · 28.87 inHg
Now
977.6
mb
3h
-0.3
mb
12h
+0.1
mb
24h
+1.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 976–979
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
London, OH
Air quality
38
AQI
Good
PM 2.5
6.2 μg/m³
PM 10
6.9 μg/m³
NO₂
9.0 μg/m³
Ozone
62.0 μg/m³
UV Index
0.0 Low
London, OH
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:48 AM
Sunrise
6:16 AM
Daylight
14h 27m
Sunset
8:43 PM
Civil dusk
1:14 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
London, OH
The moon
New Moon
0% illuminated
Moonrise
10:23 AM
Moonset
1:11 AM
In sign
♊︎ Gemini
London, OH
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 →

London at a glance

  • Today vs. normal: 9°F below the seasonal normal for this latitude
  • Last frost: April 15 (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.

All cities in Ohio →

ZIP codes in London

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.