Weather in Lone Tree, Colorado
High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →
Lone Tree, CO
Sunday, May 17 at 1:02 AM
71
°
Partly Cloudy
Feels like
66°
Humidity
29%
Wind
6 mph
Sunrise
5:44 AM
Sunset
8:07 PM
Lone Tree, CO
Hour by hour · 24h
78°
7p
74°
8p
71°
9p
69°
10p
68°
11p
64°
12a
62°
1a
60°
2a
58°
3a
57°
4a
55°
5a
51°
6a
57°
7a
66°
8a
69°
9a
72°
10a
74°
11a
76°
12p
78°
1p
78°
2p
78°
3p
77°
4p
77°
5p
75°
6p
Lone Tree, CO
7-day forecast
- TodayMay 16Overcast22%74°55°
- SundayMay 17Overcast32%73°50°
- MondayMay 18Heavy Snow Shwrs97%54°33°
- TuesdayMay 19Light Snow82%50°32°
- WednesdayMay 20Drizzle82%66°41°
- ThursdayMay 21Light Drizzle58%59°45°
- FridayMay 22Overcast29%69°42°
Lone Tree, CO
Next 24 hours · Mild now
Lone Tree, CO
Anemometer · 24h winds · from true
From · True
ESE
117° · backing 71°
Direction
ESE
117°
Sustained
6
mph
Gust
12
mph
Peak 24h
29
avg 8
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
Lone Tree, CO
Air quality
85
AQI
Moderate
- PM 2.5
- 5.7 μg/m³
- PM 10
- 7.3 μg/m³
- NO₂
- 7.5 μg/m³
- Ozone
- 109.0 μg/m³
- UV Index
- 0.1 Low
Lone Tree, 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 23m
Sunset
8:07 PM
Civil dusk
2:39 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Lone Tree, CO
The moon
New Moon
0% illuminated
- Moonrise
- 11:52 AM
- Moonset
- 2:40 AM
- In sign
- ♉︎ Taurus
Lone Tree, CO
Microseason · 28 of 72
May 16–20
High country wildflowers peak
bird
Lone Tree at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: April 13 (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.