Solar radiation in San Francisco Solar radiation 15 days
In the following list by days you can know the forecast of the predicted solar radiation. To know the data hour by hour, click on the day that interests you. If you have a solar panel system, these data will be useful to predict the energy it will produce.
The unit of measurement for solar radiation is expressed in W/m2 (Watts per square meter).
Solar radiation
Today, April 25
Total: 6622 wh/m2Hours06:0041 w/m2
07:00270 w/m2
08:00499 w/m2
09:00697 w/m2
10:00835 w/m2
11:00882 w/m2
12:00873 w/m2
13:00789 w/m2
14:00729 w/m2
15:00526 w/m2
16:00347 w/m2
17:00134 w/m2
Tomorrow, April 26
Total: 7010 wh/m2Hours06:0039 w/m2
07:00254 w/m2
08:00487 w/m2
09:00708 w/m2
10:00814 w/m2
11:00917 w/m2
12:00974 w/m2
13:00906 w/m2
14:00773 w/m2
15:00597 w/m2
16:00383 w/m2
17:00158 w/m2
Sunday, April 27
Total: 6874 wh/m2Hours06:0037 w/m2
07:00276 w/m2
08:00519 w/m2
09:00729 w/m2
10:00885 w/m2
11:00917 w/m2
12:00926 w/m2
13:00722 w/m2
14:00772 w/m2
15:00573 w/m2
16:00372 w/m2
17:00146 w/m2
Monday, April 28
Total: 7147 wh/m2Hours06:0044 w/m2
07:00275 w/m2
08:00519 w/m2
09:00729 w/m2
10:00878 w/m2
11:00947 w/m2
12:00920 w/m2
13:00884 w/m2
14:00784 w/m2
15:00616 w/m2
16:00395 w/m2
17:00156 w/m2
Tuesday, April 29
Total: 7341 wh/m2Hours06:0047 w/m2
07:00277 w/m2
08:00519 w/m2
09:00728 w/m2
10:00882 w/m2
11:00971 w/m2
12:00987 w/m2
13:00932 w/m2
14:00809 w/m2
15:00627 w/m2
16:00403 w/m2
17:00159 w/m2
Wednesday, April 30
Total: 7374 wh/m2Hours06:0048 w/m2
07:00280 w/m2
08:00522 w/m2
09:00730 w/m2
10:00884 w/m2
11:00972 w/m2
12:00986 w/m2
13:00936 w/m2
14:00816 w/m2
15:00634 w/m2
16:00406 w/m2
17:00160 w/m2
Thursday, May 1
Total: 7322 wh/m2Hours06:0045 w/m2
07:00273 w/m2
08:00520 w/m2
09:00730 w/m2
10:00884 w/m2
11:00969 w/m2
12:00975 w/m2
13:00926 w/m2
14:00808 w/m2
15:00629 w/m2
16:00404 w/m2
17:00159 w/m2
Friday, May 2
Total: 7390 wh/m2Hours06:0051 w/m2
07:00282 w/m2
08:00523 w/m2
09:00730 w/m2
10:00885 w/m2
11:00974 w/m2
12:00991 w/m2
13:00938 w/m2
14:00815 w/m2
15:00633 w/m2
16:00407 w/m2
17:00161 w/m2
Saturday, May 3
Total: 3163 wh/m2Hours06:0051 w/m2
07:00263 w/m2
08:00433 w/m2
09:00474 w/m2
10:00471 w/m2
11:00403 w/m2
12:00248 w/m2
13:00234 w/m2
14:00204 w/m2
15:00158 w/m2
16:00150 w/m2
17:0074 w/m2
Sunday, May 4
Total: 1867 wh/m2Hours06:0013 w/m2
07:0071 w/m2
08:00131 w/m2
09:00183 w/m2
10:00221 w/m2
11:00243 w/m2
12:00248 w/m2
13:00234 w/m2
14:00204 w/m2
15:00158 w/m2
16:00112 w/m2
17:0049 w/m2
Monday, May 5
Total: 4911 wh/m2Hours06:0042 w/m2
07:00236 w/m2
08:00459 w/m2
09:00663 w/m2
10:00730 w/m2
11:00686 w/m2
12:00528 w/m2
13:00499 w/m2
14:00448 w/m2
15:00348 w/m2
16:00201 w/m2
17:0071 w/m2
Tuesday, May 6
Total: 5240 wh/m2Hours06:0044 w/m2
07:00205 w/m2
08:00325 w/m2
09:00376 w/m2
10:00532 w/m2
11:00659 w/m2
12:00735 w/m2
13:00716 w/m2
14:00640 w/m2
15:00504 w/m2
16:00353 w/m2
17:00150 w/m2
18:001 w/m2
Wednesday, May 7
Total: 6410 wh/m2Hours06:0053 w/m2
07:00269 w/m2
08:00485 w/m2
09:00658 w/m2
10:00752 w/m2
11:00775 w/m2
12:00722 w/m2
13:00789 w/m2
14:00746 w/m2
15:00607 w/m2
16:00394 w/m2
17:00159 w/m2
18:001 w/m2
Thursday, May 8
Total: 6103 wh/m2Hours06:0045 w/m2
07:00263 w/m2
08:00513 w/m2
09:00728 w/m2
10:00845 w/m2
11:00793 w/m2
12:00489 w/m2
13:00658 w/m2
14:00678 w/m2
15:00580 w/m2
16:00367 w/m2
17:00143 w/m2
18:001 w/m2
Friday, May 9
Total: 6361 wh/m2Hours06:0058 w/m2
07:00288 w/m2
08:00526 w/m2
09:00730 w/m2
10:00878 w/m2
11:00947 w/m2
12:00917 w/m2
13:00787 w/m2
14:00582 w/m2
15:00324 w/m2
16:00224 w/m2
17:0099 w/m2
18:001 w/m2
To carry out the solar radiation forecast, the angle of incidence of solar radiation is taken into account, which depends, among others, on the declination, latitude, inclination and hour angle. The weather forecast is also taken into account, since, for example, on a cloudy day we would only have diffuse radiation, much less than direct radiation.
