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

Weather in Calvin, Oklahoma

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

Calvin, OK
Sunday, May 17 at 7:04 AM
73
°
Clear
Feels like
72°
Humidity
74%
Wind
12 mph
Sunrise
6:19 AM
Sunset
8:23 PM
Calvin, OK
Hour by hour · 24h
71°
2a
71°
3a
71°
4a
72°
5a
71°
6a
71°
7a
72°
8a
71°
12%
9a
73°
14%
10a
72°
19%
11a
77°
19%
12p
80°
18%
1p
81°
14%
2p
84°
3p
85°
4p
84°
5p
84°
6p
80°
7p
79°
8p
76°
9p
74°
10p
73°
11p
74°
12a
72°
1a
L 71°H 85°
Calvin, OK
7-day forecast
  1. Today
    May 17
    Thunderstorm
    16%
    88°71°
  2. Monday
    May 18
    Thunderstorm
    21%
    90°76°
  3. Tuesday
    May 19
    Showers
    62%
    77°61°
  4. Wednesday
    May 20
    Light Showers
    68%
    72°61°
  5. Thursday
    May 21
    Light Showers
    46%
    77°62°
  6. Friday
    May 22
    Light Drizzle
    40%
    76°64°
  7. Saturday
    May 23
    Thunderstorm
    25%
    84°64°
Calvin, OK
Anemometer · 24h winds · from true
NESW
From · True
S
175° · veering 6°
Direction
S
175°
Sustained
12
mph
Gust
26
mph
Peak 24h
34
avg 14
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 14 · pk 34 @ 8:00a
−24h−18h−12h−6hnow
Light breeze veering 6° from the s.
Calvin, OK
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
979.0
-1.1 mb in 3h · steady · 28.91 inHg
Now
979.0
mb
3h
-1.1
mb
12h
-1.5
mb
24h
-3.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 979984
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Calvin, OK
Air quality
45
AQI
Good
PM 2.5
8.6 μg/m³
PM 10
11.6 μg/m³
NO₂
1.5 μg/m³
Ozone
95.0 μg/m³
UV Index
0.0 Low
Calvin, OK
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:53 AM
Sunrise
6:19 AM
Daylight
14h 04m
Sunset
8:23 PM
Civil dusk
1:52 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Calvin, OK
The moon
New Moon
1% illuminated
Moonrise
11:33 AM
Moonset
1:48 AM
In sign
♊︎ Gemini
Calvin, OK
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 →

Calvin at a glance

  • Today vs. normal: 4°F below the seasonal normal for this latitude
  • Last frost: March 17 (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 Calvin

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.