Weather in Grand Junction, Colorado
High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →
Grand Junction, CO
Sunday, May 17 at 3:53 AM
69
°
Clear
Feels like
60°
Humidity
31%
Wind
15 mph
Sunrise
5:59 AM
Sunset
8:21 PM
Grand Junction, CO
Hour by hour · 24h
75°
9p
70°
10p
68°
11p
63°
12a
61°
1a
59°
2a
58°
3a
55°
4a
53°
5a
50°
6a
52°
7a
61°
8a
67°
9a
72°
10a
77°
11a
82°
12p
85°
1p
86°
2p
88°
3p
89°
4p
88°
5p
87°
6p
86°
7p
81°
8p
Grand Junction, CO
7-day forecast
- TodayMay 16Overcast13%85°63°
- SundayMay 17Heavy Drizzle28%79°51°
- MondayMay 18Light Rain85%61°45°
- TuesdayMay 19Partly Cloudy—66°43°
- WednesdayMay 20Overcast—73°51°
- ThursdayMay 21Overcast—71°57°
- FridayMay 22Overcast—77°54°
Grand Junction, CO
Next 24 hours · Mild now
Grand Junction, CO
Anemometer · 24h winds · from true
From · True
N
351° · veering 163°
Direction
N
351°
Sustained
15
mph
Gust
34
mph
Peak 24h
37
avg 10
Beaufort · 4 · MOD 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
Grand Junction, CO
Air quality
76
AQI
Moderate
- PM 2.5
- 4.2 μg/m³
- PM 10
- 22.6 μg/m³
- NO₂
- 0.8 μg/m³
- Ozone
- 116.0 μg/m³
- UV Index
- 0.0 Low
Grand Junction, CO
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:31 AM
Sunrise
5:59 AM
Daylight
14h 22m
Sunset
8:21 PM
Civil dusk
2:52 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Grand Junction, CO
The moon
New Moon
0% illuminated
- Moonrise
- 12:09 PM
- Moonset
- 2:54 AM
- In sign
- ♊︎ Gemini
Grand Junction, CO
Microseason · 28 of 72
May 16–20
High country wildflowers peak
bird
Grand Junction at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: April 11 (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.