Weather in Littleton, Colorado
High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →
Littleton, CO
Sunday, May 17 at 4:55 AM
65
°
Overcast
Feels like
60°
Humidity
37%
Wind
4 mph
Sunrise
5:44 AM
Sunset
8:08 PM
Littleton, CO
Hour by hour · 24h
74°
10p
73°
11p
68°
12a
69°
1a
64°
2a
60°
3a
59°
4a
56°
5a
55°
6a
59°
7a
67°
8a
73°
9a
76°
10a
78°
11a
81°
12p
83°
1p
83°
2p
85°
3p
82°
4p
84°
5p
80°
6p
79°
7p
77°
8p
70°
9p
Littleton, CO
7-day forecast
- TodayMay 16Overcast20%81°55°
- SundayMay 17Light Drizzle33%74°53°
- MondayMay 18Light Snow Shwrs99%52°36°
- TuesdayMay 19Light Snow Shwrs86%52°30°
- WednesdayMay 20Light Drizzle86%67°40°
- ThursdayMay 21Light Drizzle52%60°46°
- FridayMay 22Overcast38%71°42°
Littleton, CO
Next 24 hours · Mild now
Littleton, CO
Anemometer · 24h winds · from true
From · True
ENE
068° · veering 30°
Direction
ENE
068°
Sustained
4
mph
Gust
6
mph
Peak 24h
20
avg 5
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
−24h−18h−12h−6hnow
Littleton, CO
Air quality
63
AQI
Moderate
- PM 2.5
- 8.6 μg/m³
- PM 10
- 9.3 μg/m³
- NO₂
- 20.3 μg/m³
- Ozone
- 66.0 μg/m³
- UV Index
- 0.0 Low
Littleton, CO
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:15 AM
Sunrise
5:44 AM
Daylight
14h 24m
Sunset
8:08 PM
Civil dusk
2:39 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Littleton, CO
The moon
New Moon
0% illuminated
- Moonrise
- 11:53 AM
- Moonset
- 2:41 AM
- In sign
- ♊︎ Gemini
Littleton, CO
Microseason · 28 of 72
May 16–20
High country wildflowers peak
bird
Littleton at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: April 14 (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.