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.
| 14 December 2025 Sunday 17.2 ° C / 63°F ![]() Sunny |
Feels Like : 17.2 ° C / 63°F Humidity : % 27 Pressure : 1021 mb Wind Speed : 10.1 kmph / 6.3 miles from E ![]() Visibility : 16 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 December 2025 Sunday | Sunny |
9.9 ° C (49.8°F) |
30.7 ° C (87.3°F) |
17 ° C (62.7°F) |
% 28 | 0% | 0.7 | Sunrise:07:18 AM Sunset: 05:20 PM |
Moonrise:02:32 AM Moonset: 01:46 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Sunny |
6 ° C (42.8°F) |
22.2 ° C (72°F) |
13.1 ° C (55.5°F) |
% 50 | 0% | 0.7 | Sunrise:07:18 AM Sunset: 05:20 PM |
Moonrise:03:29 AM Moonset: 02:15 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Sunny |
7.8 ° C (46°F) |
24.2 ° C (75.6°F) |
14 ° C (57.2°F) |
% 37 | 0% | 0.7 | Sunrise:07:19 AM Sunset: 05:21 PM |
Moonrise:04:25 AM Moonset: 02:47 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Sunny |
12.7 ° C (54.8°F) |
21.7 ° C (71.1°F) |
16.5 ° C (61.7°F) |
% 29 | 0% | 0.7 | Sunrise:07:20 AM Sunset: 05:21 PM |
Moonrise:05:24 AM Moonset: 03:24 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Sunny |
13.4 ° C (56.2°F) |
22.1 ° C (71.8°F) |
15.9 ° C (60.6°F) |
% 27 | 0% | 0 | Sunrise:07:20 AM Sunset: 05:22 PM |
Moonrise:06:21 AM Moonset: 04:07 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Sunny |
13.7 ° C (56.6°F) |
22.6 ° C (72.7°F) |
17.1 ° C (62.8°F) |
% 26 | 0% | 5 | Sunrise:07:21 AM Sunset: 05:22 PM |
Moonrise:07:17 AM Moonset: 04:57 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
14 ° C (57.2°F) |
19.6 ° C (67.3°F) |
15.8 ° C (60.5°F) |
% 29 | 0% | 5 | Sunrise:07:21 AM Sunset: 05:23 PM |
Moonrise:08:09 AM Moonset: 05:52 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
12.8 ° C (55°F) |
20 ° C (68°F) |
15.7 ° C (60.2°F) |
% 34 | 0% | 5 | Sunrise:07:22 AM Sunset: 05:23 PM |
Moonrise:08:55 AM Moonset: 06:51 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
13.8 ° C (56.9°F) |
19.9 ° C (67.9°F) |
15.7 ° C (60.3°F) |
% 32 | 0% | 5 | Sunrise:07:22 AM Sunset: 05:24 PM |
Moonrise:09:36 AM Moonset: 07:52 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Partly Cloudy |
13.7 ° C (56.7°F) |
20.1 ° C (68.3°F) |
16.2 ° C (61.2°F) |
% 34 | 0% | 5 | Sunrise:07:23 AM Sunset: 05:24 PM |
Moonrise:10:11 AM Moonset: 08:54 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Cloudy |
12.5 ° C (54.5°F) |
16 ° C (60.7°F) |
14.5 ° C (58.1°F) |
% 53 | 0% | 3 | Sunrise:07:23 AM Sunset: 05:25 PM |
Moonrise:10:42 AM Moonset: 09:55 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Sunny |
12.2 ° C (54°F) |
17.3 ° C (63.1°F) |
13.8 ° C (56.8°F) |
% 59 | 0% | 4 | Sunrise:07:24 AM Sunset: 05:25 PM |
Moonrise:11:11 AM Moonset: 10:56 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Sunny |
11.2 ° C (52.2°F) |
18.9 ° C (65.9°F) |
14.2 ° C (57.6°F) |
% 34 | 0% | 4 | Sunrise:07:24 AM Sunset: 05:26 PM |
Moonrise:11:39 AM Moonset: 11:57 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
12.4 ° C (54.4°F) |
18.8 ° C (65.9°F) |
14.7 ° C (58.5°F) |
% 35 | 0% | 4 | Sunrise:07:24 AM Sunset: 05:27 PM |
Moonrise:12:06 PM Moonset: No moonset Moon Phase ( First Quarter ) |
|