Current weather conditions and 15 day weather forecast for Portola, 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.
| 16 May 2026 Saturday 11.1 ° C / 52°F ![]() Clear |
Feels Like : 11.2 ° C / 52.2°F Humidity : % 29 Pressure : 1019 mb Wind Speed : 4.3 kmph / 2.7 miles from WSW ![]() 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 May 2026 Friday | Sunny |
3.3 ° C (37.9°F) |
22.4 ° C (72.4°F) |
12.3 ° C (54.1°F) |
% 34 | 0% | 8.7 | Sunrise:05:47 AM Sunset: 08:10 PM |
Moonrise:04:36 AM Moonset: 07:23 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
2.1 ° C (35.8°F) |
19.9 ° C (67.8°F) |
10.4 ° C (50.8°F) |
% 37 | 0% | 8.1 | Sunrise:05:46 AM Sunset: 08:11 PM |
Moonrise:05:13 AM Moonset: 08:44 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
-1.8 ° C (28.8°F) |
11.1 ° C (52°F) |
5.5 ° C (41.9°F) |
% 41 | 0% | 8.4 | Sunrise:05:46 AM Sunset: 08:12 PM |
Moonrise:06:00 AM Moonset: 10:02 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Sunny |
-3.8 ° C (25.1°F) |
16.2 ° C (61.2°F) |
7.2 ° C (45°F) |
% 34 | 0% | 8.9 | Sunrise:05:45 AM Sunset: 08:13 PM |
Moonrise:06:59 AM Moonset: 11:10 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
0.4 ° C (32.7°F) |
21.9 ° C (71.5°F) |
11.1 ° C (52°F) |
% 29 | 0% | 8.8 | Sunrise:05:44 AM Sunset: 08:14 PM |
Moonrise:08:08 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Sunny |
3.8 ° C (38.8°F) |
25.7 ° C (78.3°F) |
11.5 ° C (52.8°F) |
% 43 | 0% | 0 | Sunrise:05:43 AM Sunset: 08:15 PM |
Moonrise:09:25 AM Moonset: 12:05 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
6.8 ° C (44.3°F) |
26.7 ° C (80°F) |
16.2 ° C (61.1°F) |
% 41 | 0% | 5 | Sunrise:05:42 AM Sunset: 08:15 PM |
Moonrise:10:41 AM Moonset: 12:48 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Sunny |
7 ° C (44.6°F) |
25.1 ° C (77.3°F) |
15.3 ° C (59.6°F) |
% 36 | 0% | 5 | Sunrise:05:42 AM Sunset: 08:16 PM |
Moonrise:11:54 AM Moonset: 01:22 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
6 ° C (42.8°F) |
26.3 ° C (79.4°F) |
15.9 ° C (60.6°F) |
% 33 | 0% | 5 | Sunrise:05:41 AM Sunset: 08:17 PM |
Moonrise:01:03 PM Moonset: 01:49 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
6.3 ° C (43.4°F) |
25.4 ° C (77.7°F) |
15.2 ° C (59.4°F) |
% 34 | 0% | 5 | Sunrise:05:40 AM Sunset: 08:18 PM |
Moonrise:02:09 PM Moonset: 02:12 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Sunny |
1.6 ° C (34.9°F) |
18.5 ° C (65.3°F) |
11.2 ° C (52.1°F) |
% 39 | 0% | 4 | Sunrise:05:40 AM Sunset: 08:19 PM |
Moonrise:03:12 PM Moonset: 02:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Sunny |
-5.5 ° C (22.1°F) |
13.2 ° C (55.7°F) |
4.2 ° C (39.6°F) |
% 44 | 0% | 2 | Sunrise:05:39 AM Sunset: 08:20 PM |
Moonrise:04:15 PM Moonset: 02:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Sunny |
-3 ° C (26.6°F) |
21.3 ° C (70.4°F) |
9.4 ° C (48.9°F) |
% 35 | 0% | 3 | Sunrise:05:38 AM Sunset: 08:20 PM |
Moonrise:05:17 PM Moonset: 03:18 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 May 2026 Thursday | Sunny |
2.7 ° C (36.8°F) |
26.3 ° C (79.3°F) |
14.6 ° C (58.3°F) |
% 37 | 0% | 4 | Sunrise:05:38 AM Sunset: 08:21 PM |
Moonrise:06:20 PM Moonset: 03:42 AM Moon Phase ( Waxing Gibbous ) |
|