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

Weather in Houston, Delaware

Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →

Houston, DE
Sunday, May 17 at 4:59 AM
70
°
Partly Cloudy
Feels like
66°
Humidity
52%
Wind
12 mph
Sunrise
5:47 AM
Sunset
8:09 PM
Houston, DE
Hour by hour · 24h
53°
12a
53°
1a
52°
2a
51°
3a
50°
4a
50°
5a
51°
6a
52°
7a
54°
8a
56°
9a
57°
10a
60°
11a
62°
12p
66°
1p
67°
2p
67°
3p
68°
4p
68°
5p
69°
6p
68°
7p
65°
8p
61°
9p
58°
10p
56°
11p
L 50°H 69°
Houston, DE
7-day forecast
  1. Today
    May 17
    Overcast
    13%
    90°64°
  2. Monday
    May 18
    Light Drizzle
    —
    97°67°
  3. Tuesday
    May 19
    Heavy Drizzle
    —
    93°67°
  4. Wednesday
    May 20
    Heavy Drizzle
    50%
    92°68°
  5. Thursday
    May 21
    Overcast
    50%
    69°58°
  6. Friday
    May 22
    Light Drizzle
    53%
    58°51°
  7. Saturday
    May 23
    Light Drizzle
    36%
    65°53°
Houston, DE
Next 24 hours · Cool now
46°60°74°12a6a12p6pnow 53°high 69°low 50°
Houston, DE
Anemometer · 24h winds · from true
NESW
From · True
SSW
205° · veering 13°
Direction
SSW
205°
Sustained
12
mph
Gust
20
mph
Peak 24h
28
avg 11
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 11 · pk 28 @ 10:00p
−24h−18h−12h−6hnow
Light breeze veering 13° from the ssw.
Houston, DE
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1012.4
0.0 mb in 3h · rising rapidly · 29.90 inHg
Now
1012.4
mb
3h
0.0
mb
12h
-2.7
mb
24h
-5.1
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1012–1019
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Houston, DE
Air quality
72
AQI
Moderate
PM 2.5
9.0 μg/m³
PM 10
9.2 μg/m³
NO₂
3.4 μg/m³
Ozone
99.0 μg/m³
UV Index
0.0 Low
Houston, DE
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:19 AM
Sunrise
5:47 AM
Daylight
14h 22m
Sunset
8:09 PM
Civil dusk
12:39 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Houston, DE
The moon
New Moon
0% illuminated
Moonrise
9:53 AM
Moonset
12:34 AM
In sign
♊︎ Gemini
Houston, DE
Microseason · 28 of 72
May 16–20

Roses open along the stoops

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Houston at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: April 10 (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 Delaware →

ZIP codes in Houston

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.