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

Weather in Ellicott, Colorado

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

Ellicott, CO
Sunday, May 17 at 2:11 AM
67
°
Overcast
Feels like
60°
Humidity
31%
Wind
9 mph
Sunrise
5:43 AM
Sunset
8:03 PM
Ellicott, CO
Hour by hour · 24h
70°
8p
66°
9p
63°
10p
62°
11p
62°
12a
62°
1a
57°
2a
55°
3a
54°
4a
52°
5a
53°
6a
56°
7a
65°
8a
72°
9a
74°
10a
76°
11a
78°
12p
80°
1p
81°
2p
81°
3p
81°
4p
81°
5p
73°
6p
73°
10%
7p
L 52°H 81°
Ellicott, CO
7-day forecast
  1. Today
    May 16
    Overcast
    11%
    79°48°
  2. Sunday
    May 17
    Light Drizzle
    14%
    75°49°
  3. Monday
    May 18
    Overcast
    75%
    64°34°
  4. Tuesday
    May 19
    Overcast
    28%
    58°32°
  5. Wednesday
    May 20
    Heavy Drizzle
    62%
    66°43°
  6. Thursday
    May 21
    Light Drizzle
    62%
    68°46°
  7. Friday
    May 22
    Light Drizzle
    36%
    67°44°
Ellicott, CO
Anemometer · 24h winds · from true
NESW
From · True
NE
053° · backing 10°
Direction
NE
053°
Sustained
9
mph
Gust
14
mph
Peak 24h
22
avg 10
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 10 · pk 22 @ 4:00p
−24h−18h−12h−6hnow
Light breeze backing 10° from the ne.
Ellicott, CO
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
806.1
+2.3 mb in 3h · falling · 23.80 inHg
Now
806.1
mb
3h
+2.3
mb
12h
-8.0
mb
24h
-3.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 802817
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Ellicott, CO
Air quality
84
AQI
Moderate
PM 2.5
1.4 μg/m³
PM 10
2.3 μg/m³
NO₂
1.6 μg/m³
Ozone
115.0 μg/m³
UV Index
0.0 Low
Ellicott, CO
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:15 AM
Sunrise
5:43 AM
Daylight
14h 20m
Sunset
8:03 PM
Civil dusk
2:34 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Ellicott, CO
The moon
New Moon
0% illuminated
Moonrise
11:53 AM
Moonset
2:35 AM
In sign
♉︎ Taurus
Ellicott, CO
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 →

Ellicott at a glance

  • Today vs. normal: 6°F below the seasonal normal for this latitude
  • Last frost: April 9 (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.

ZIP codes in Ellicott

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.