Current weather conditions and 15 day weather forecast for Mount Lemmon Sky Center Observatory Heliport, Arizona, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 12 May 2026 Tuesday 28.3 ° C / 83°F ![]() Sunny |
Feels Like : 26.4 ° C / 79.5°F Humidity : % 13 Pressure : 1016 mb Wind Speed : 8.3 kmph / 5.1 miles from SW ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 May 2026 Tuesday | Sunny |
22.1 ° C (71.7°F) |
32.4 ° C (90.3°F) |
27.4 ° C (81.3°F) |
% 16 | 0% | 10.2 | Sunrise:05:27 AM Sunset: 07:13 PM |
Moonrise:02:35 AM Moonset: 02:55 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Sunny |
19.5 ° C (67°F) |
30 ° C (85.9°F) |
24.9 ° C (76.8°F) |
% 15 | 0% | 9.8 | Sunrise:05:26 AM Sunset: 07:13 PM |
Moonrise:03:05 AM Moonset: 04:01 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Sunny |
16.6 ° C (61.8°F) |
27.7 ° C (81.8°F) |
22.3 ° C (72.1°F) |
% 17 | 0% | 10.1 | Sunrise:05:26 AM Sunset: 07:14 PM |
Moonrise:03:36 AM Moonset: 05:10 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Sunny |
16.7 ° C (62.1°F) |
28.4 ° C (83.1°F) |
22.9 ° C (73.1°F) |
% 14 | 0% | 0 | Sunrise:05:25 AM Sunset: 07:15 PM |
Moonrise:04:11 AM Moonset: 06:23 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
16.4 ° C (61.5°F) |
29.1 ° C (84.4°F) |
23 ° C (73.4°F) |
% 17 | 0% | 6 | Sunrise:05:24 AM Sunset: 07:16 PM |
Moonrise:04:53 AM Moonset: 07:40 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
15.4 ° C (59.7°F) |
27.5 ° C (81.4°F) |
20.8 ° C (69.5°F) |
% 22 | 0% | 6 | Sunrise:05:24 AM Sunset: 07:16 PM |
Moonrise:05:45 AM Moonset: 08:54 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Sunny |
12.5 ° C (54.5°F) |
23.5 ° C (74.3°F) |
18.6 ° C (65.5°F) |
% 30 | 0% | 5 | Sunrise:05:23 AM Sunset: 07:17 PM |
Moonrise:06:45 AM Moonset: 10:02 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
14.8 ° C (58.6°F) |
26.2 ° C (79.2°F) |
20.9 ° C (69.6°F) |
% 25 | 0% | 6 | Sunrise:05:22 AM Sunset: 07:18 PM |
Moonrise:07:54 AM Moonset: 11:00 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Sunny |
16.3 ° C (61.4°F) |
29.5 ° C (85°F) |
23.4 ° C (74°F) |
% 21 | 0% | 6 | Sunrise:05:22 AM Sunset: 07:18 PM |
Moonrise:09:07 AM Moonset: 11:48 PM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Overcast |
18.3 ° C (65°F) |
30.7 ° C (87.2°F) |
24.3 ° C (75.7°F) |
% 21 | 0% | 5 | Sunrise:05:21 AM Sunset: 07:19 PM |
Moonrise:10:18 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Partly Cloudy |
17.7 ° C (63.9°F) |
28.2 ° C (82.7°F) |
23.3 ° C (74°F) |
% 22 | 0% | 6 | Sunrise:05:21 AM Sunset: 07:20 PM |
Moonrise:11:26 AM Moonset: 12:27 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
18.3 ° C (64.9°F) |
30.6 ° C (87.1°F) |
24.5 ° C (76.1°F) |
% 17 | 0% | 6 | Sunrise:05:20 AM Sunset: 07:20 PM |
Moonrise:12:30 PM Moonset: 01:00 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
17.8 ° C (64.1°F) |
30.6 ° C (87°F) |
24.3 ° C (75.7°F) |
% 18 | 0% | 6 | Sunrise:05:20 AM Sunset: 07:21 PM |
Moonrise:01:30 PM Moonset: 01:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Sunny |
17.1 ° C (62.9°F) |
28.4 ° C (83.2°F) |
22.2 ° C (71.9°F) |
% 19 | 0% | 6 | Sunrise:05:19 AM Sunset: 07:22 PM |
Moonrise:02:28 PM Moonset: 01:55 AM Moon Phase ( Waxing Gibbous ) |
|