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

Castor, Louisiana Weather

Heat settles and the rain begins. Day 90 of spring. Read this microseason across nine climate regions →

Castor weather forecast — hour by hour, 7-day outlook, NOAA radar

Castor, LA
Wednesday, June 17 at 6:20 PM
86
°
Mostly Clear
Feels like
91°
Humidity
66%
Wind
11 mph
Sunrise
1:05 AM
Sunset
3:21 PM
Castor, LA
Hour by hour · 24h
24-Hour ForecastCastor, LA: 24-hour forecast. Temperatures range from 77 to 90 degrees Fahrenheit.
L 77°H 90°
Castor, LA
7-day forecast
  1. Today
    Jun 17
    Thunderstorm
    —
    —
    89°74°—
  2. Thursday
    Jun 18
    Thunderstorm
    13%
    0.16″
    90°77°+1°
  3. Friday
    Jun 19
    T-storm w/ Hail
    25%
    —
    95°72°+5°
  4. Saturday
    Jun 20
    Thunderstorm
    44%
    0.01″
    91°72°-4°
  5. Sunday
    Jun 21
    T-storm w/ Hail
    27%
    —
    94°75°+3°
  6. Monday
    Jun 22
    Thunderstorm
    18%
    0.07″
    94°74°0°
  7. Tuesday
    Jun 23
    Thunderstorm
    19%
    0.35″
    94°71°0°
Castor, LA
Next 24 hours · Warm now
HOT 90°74°84°94°6p12a6a12pnow 86°high 90°low 77°PRECIP %
Castor, LA
Anemometer · 24h winds · from true
NESW
From · True
SSE
165° · steady
Direction
SSE
165°
Sustained
11
mph
Gust
22
mph
Peak 24h
22
avg 5
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 5 · pk 22
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 223SUSTGUST
−24h−18h−12h−6hnow
Light breeze holding from the sse.
Castor, LA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
999.0
-0.6 mb in 3h · falling · 29.50 inHg
Now
999.0
mb
3h
-0.6
mb
12h
-2.9
mb
24h
-3.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 999–1003
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1003.1999.0999.1
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Castor, LA
Air quality
34
AQI
Good
↑+5 in 6h

AQI 34 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 10.4 µg/m³, PM10 at 12.7 µg/m³ — typical background levels with no transport signature.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERGood
10.4μg/m³
PM 10Good
13μg/m³
NO₂Good
1μg/m³
OzoneGood
60μg/m³
UV IndexLow
1.3

What's driving it

PM × Wind × Precip

PM2.5 at 10.4 µg/m³, PM10 at 12.7 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.82
Wind
breezy
Recent rain
0h in last 6h
Pattern
background

Trends

Seven days of AQI and PM2.5.

Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).

7-DAY AQI TREND50100WEDTHUFRISATSUNMONTUEWED7-DAY PM2.5 TREND · μg/m³300
Castor, LA
Sky cover · visibility · 24h
Cloud cover
49%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
54.2mi
UNLIMITED
64 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
23:20 UTC · Castor, LA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
23:20 UTC · Castor, LA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Castor, LA
Satellite · infrared · animated
Castor, LA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Castor, LA
Almanac · Wednesday, June 17
A summer fog for fair, a winter fog for rain.
Civil dawn
5:38 AM
Sunrise
1:05 AM
Daylight
14h 16m
Sunset
3:21 PM
Civil dusk
8:51 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Castor, LA
The moon
Waxing Crescent
11% illuminated
Moonrise
8:37 AM
Moonset
10:26 PM
In sign
♌︎ Leo
Castor, LA
Microseason
Jun 16–20

Heat settles and the rain begins

bird
Jan 146% of the yearDec 31

Read this microseason across nine climate regions →

Castor at a glance

  • Today vs. normal: 3°F above the seasonal normal for this latitude
  • Last frost: March 1 (climatological average for this latitude)
  • Microseason: Jun 16–20
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

16-Day Forecast — Castor

  1. Wed89°74°7%
  2. Thu90°77°13%
  3. Fri95°72°25%
  4. Sat91°72°44%
  5. Sun94°75°27%
  6. Mon94°74°18%
  7. Tue94°71°19%
  8. Wed91°70°23%
  9. Thu92°71°17%
  10. Fri95°70°15%
  11. Sat96°73°13%
  12. Sun92°74°18%
  13. Mon98°73°16%
  14. Tue98°72°17%
  15. Wed100°73°25%
  16. Thu96°73°30%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of June 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.

SPC Convective Outlook

Storm Prediction Center — Castor

SPC has placed Castor in the Marginal Risk category for severe thunderstorms day after tomorrow.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3MRGLMarginal Risk

Isolated severe storms possible. Limited threat for hail or damaging wind.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

All cities in Louisiana →

Bossier City, LA weather →

ZIP codes in Castor

  • 71016

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.