Current weather conditions and 15 day weather forecast for Grand Terrace, California, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 13 May 2026 Wednesday 17 ° C / 62.6°F ![]() Mist |
Feels Like : 17 ° C / 62.6°F Humidity : % 63 Pressure : 1019 mb Wind Speed : 3.6 kmph / 2.2 miles from SW ![]() Visibility : 8 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 13 May 2026 Wednesday | Sunny |
13.6 ° C (56.5°F) |
29.4 ° C (84.9°F) |
20 ° C (68.1°F) |
% 64 | 0% | 9.4 | Sunrise:05:49 AM Sunset: 07:43 PM |
Moonrise:03:31 AM Moonset: 04:29 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Sunny |
12.5 ° C (54.5°F) |
27.6 ° C (81.6°F) |
19.8 ° C (67.6°F) |
% 52 | 0% | 10 | Sunrise:05:48 AM Sunset: 07:44 PM |
Moonrise:04:01 AM Moonset: 05:41 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Sunny |
13 ° C (55.4°F) |
27.7 ° C (81.8°F) |
20.1 ° C (68.1°F) |
% 52 | 0% | 0 | Sunrise:05:48 AM Sunset: 07:44 PM |
Moonrise:04:35 AM Moonset: 06:55 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
12.6 ° C (54.7°F) |
26.9 ° C (80.5°F) |
19.9 ° C (67.8°F) |
% 53 | 0% | 5 | Sunrise:05:47 AM Sunset: 07:45 PM |
Moonrise:05:16 AM Moonset: 08:12 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
14.4 ° C (57.8°F) |
26.5 ° C (79.7°F) |
19.4 ° C (66.9°F) |
% 59 | 0% | 5 | Sunrise:05:46 AM Sunset: 07:46 PM |
Moonrise:06:07 AM Moonset: 09:27 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Sunny |
12.8 ° C (55.1°F) |
26.4 ° C (79.5°F) |
19.2 ° C (66.6°F) |
% 61 | 0% | 5 | Sunrise:05:46 AM Sunset: 07:47 PM |
Moonrise:07:07 AM Moonset: 10:35 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
13.3 ° C (55.9°F) |
26.4 ° C (79.5°F) |
19.8 ° C (67.6°F) |
% 59 | 0% | 5 | Sunrise:05:45 AM Sunset: 07:47 PM |
Moonrise:08:16 AM Moonset: 11:33 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Sunny |
14.3 ° C (57.7°F) |
28.3 ° C (82.9°F) |
21.1 ° C (69.9°F) |
% 55 | 0% | 6 | Sunrise:05:44 AM Sunset: 07:48 PM |
Moonrise:09:30 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
14.3 ° C (57.7°F) |
26.9 ° C (80.4°F) |
20.2 ° C (68.3°F) |
% 59 | 0% | 6 | Sunrise:05:44 AM Sunset: 07:49 PM |
Moonrise:10:42 AM Moonset: 12:19 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Patchy rain nearby |
15.7 ° C (60.2°F) |
24.1 ° C (75.4°F) |
18.7 ° C (65.6°F) |
% 64 | 70% | 4 | Sunrise:05:43 AM Sunset: 07:49 PM |
Moonrise:11:51 AM Moonset: 12:57 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Partly Cloudy |
14.8 ° C (58.6°F) |
22.5 ° C (72.4°F) |
17.5 ° C (63.5°F) |
% 64 | 0% | 5 | Sunrise:05:43 AM Sunset: 07:50 PM |
Moonrise:12:56 PM Moonset: 01:29 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
14.4 ° C (57.9°F) |
25.8 ° C (78.4°F) |
19.1 ° C (66.3°F) |
% 57 | 0% | 5 | Sunrise:05:42 AM Sunset: 07:51 PM |
Moonrise:01:57 PM Moonset: 01:56 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Sunny |
12.5 ° C (54.4°F) |
28.8 ° C (83.9°F) |
20.8 ° C (69.4°F) |
% 51 | 0% | 6 | Sunrise:05:42 AM Sunset: 07:51 PM |
Moonrise:02:56 PM Moonset: 02:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Sunny |
14.8 ° C (58.7°F) |
33.3 ° C (92°F) |
23.8 ° C (74.9°F) |
% 39 | 0% | 6 | Sunrise:05:41 AM Sunset: 07:52 PM |
Moonrise:03:55 PM Moonset: 02:47 AM Moon Phase ( Waxing Gibbous ) |
|