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

Weather in Copan, Oklahoma

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

Copan, OK
Sunday, May 17 at 2:51 AM
78
°
Clear
Feels like
76°
Humidity
62%
Wind
17 mph
Sunrise
6:14 AM
Sunset
8:25 PM
Copan, OK
Hour by hour · 24h
76°
9p
75°
10p
74°
11p
74°
12a
73°
1a
71°
2a
71°
3a
70°
4a
70°
5a
70°
6a
70°
7a
72°
8a
73°
11%
9a
75°
10a
76°
22%
11a
78°
12%
12p
84°
1p
85°
2p
85°
3p
83°
4p
80°
10%
5p
78°
16%
6p
79°
7p
78°
8p
L 70°H 85°
Copan, OK
7-day forecast
  1. Today
    May 16
    Thunderstorm
    18%
    88°73°
  2. Sunday
    May 17
    Overcast
    —
    89°71°
  3. Monday
    May 18
    Thunderstorm
    19%
    92°77°
  4. Tuesday
    May 19
    Showers
    59%
    78°57°
  5. Wednesday
    May 20
    Light Drizzle
    51%
    68°50°
  6. Thursday
    May 21
    Light Showers
    38%
    75°57°
  7. Friday
    May 22
    Light Drizzle
    33%
    73°58°
Copan, OK
Next 24 hours · Mild now
66°77°88°12a6a12p6pnow 76°high 85°low 70°PRECIP %
Copan, OK
Anemometer · 24h winds · from true
NESW
From · True
S
179° · veering 12°
Direction
S
179°
Sustained
17
mph
Gust
28
mph
Peak 24h
32
avg 17
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
avg 17 · pk 32 @ 9:00a
−24h−18h−12h−6hnow
Sustained 17 mph with gusts pulsing to 28 — flags snap, branches bend.
Copan, OK
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
977.5
-0.8 mb in 3h · falling · 28.87 inHg
Now
977.5
mb
3h
-0.8
mb
12h
-3.2
mb
24h
-0.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 977–982
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Copan, OK
Air quality
46
AQI
Good
PM 2.5
4.9 μg/m³
PM 10
6.1 μg/m³
NO₂
2.0 μg/m³
Ozone
92.0 μg/m³
UV Index
0.0 Low
Copan, OK
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:47 AM
Sunrise
6:14 AM
Daylight
14h 11m
Sunset
8:25 PM
Civil dusk
1:55 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Copan, OK
The moon
New Moon
0% illuminated
Moonrise
11:25 AM
Moonset
1:54 AM
In sign
♊︎ Gemini
Copan, 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 →

Copan at a glance

  • Today vs. normal: 3°F above the seasonal normal for this latitude
  • Last frost: March 28 (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 Oklahoma →

ZIP codes in Copan

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.