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

Weather in Castleford, Idaho

High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →

Castleford, ID
Sunday, May 17 at 6:04 AM
43
°
Clear
Feels like
34°
Humidity
33%
Wind
7 mph
Sunrise
6:15 AM
Sunset
8:56 PM
Castleford, ID
Hour by hour · 24h
50°
12a
48°
1a
47°
2a
47°
3a
47°
4a
47°
5a
47°
6a
46°
7a
50°
8a
54°
9a
57°
10a
59°
11a
61°
12p
64°
1p
66°
2p
68°
3p
69°
4p
69°
5p
68°
6p
67°
7p
65°
8p
59°
9p
56°
10p
51°
11p
L 46°H 69°
Castleford, ID
7-day forecast
  1. Today
    May 17
    Overcast
    54°39°
  2. Monday
    May 18
    Overcast
    61°35°
  3. Tuesday
    May 19
    Overcast
    69°45°
  4. Wednesday
    May 20
    Overcast
    73°49°
  5. Thursday
    May 21
    Overcast
    75°53°
  6. Friday
    May 22
    Overcast
    78°52°
  7. Saturday
    May 23
    Overcast
    82°52°
Castleford, ID
Anemometer · 24h winds · from true
NESW
From · True
WNW
299° · veering 15°
Direction
WNW
299°
Sustained
7
mph
Gust
14
mph
Peak 24h
31
avg 15
Beaufort · 2 · LIGHT 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 15 · pk 31 @ 8:00a
−24h−18h−12h−6hnow
Light breeze veering 15° from the wnw.
Castleford, ID
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
881.4
+0.8 mb in 3h · steady · 26.03 inHg
Now
881.4
mb
3h
+0.8
mb
12h
-1.3
mb
24h
+2.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 879884
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Castleford, ID
Air quality
47
AQI
Good
PM 2.5
1.9 μg/m³
PM 10
3.2 μg/m³
NO₂
1.1 μg/m³
Ozone
91.0 μg/m³
UV Index
0.0 Low
Castleford, ID
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:45 AM
Sunrise
6:15 AM
Daylight
14h 41m
Sunset
8:56 PM
Civil dusk
3:28 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Castleford, ID
The moon
New Moon
0% illuminated
Moonrise
12:22 PM
Moonset
3:33 AM
In sign
♊︎ Gemini
Castleford, ID
Microseason · 28 of 72
May 16–20

High country wildflowers peak

bird
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Castleford at a glance

  • Today vs. normal: 26°F below the seasonal normal for this latitude
  • Last frost: May 1 (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

Cool-season window is open

As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).

ZIP codes in Castleford

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.