Solar radiation in Belgium 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, November 21
Total: 987 wh/m2Hours08:0044 w/m2
09:0093 w/m2
10:00143 w/m2
11:00176 w/m2
12:00170 w/m2
13:00158 w/m2
14:00127 w/m2
15:0071 w/m2
16:005 w/m2
Tomorrow, November 22
Total: 1652 wh/m2Hours08:0079 w/m2
09:00199 w/m2
10:00272 w/m2
11:00288 w/m2
12:00259 w/m2
13:00250 w/m2
14:00196 w/m2
15:00103 w/m2
16:006 w/m2
Saturday, November 23
Total: 1941 wh/m2Hours08:0084 w/m2
09:00210 w/m2
10:00304 w/m2
11:00354 w/m2
12:00355 w/m2
13:00305 w/m2
14:00219 w/m2
15:00104 w/m2
16:006 w/m2
Sunday, November 24
Total: 1210 wh/m2Hours08:0047 w/m2
09:00121 w/m2
10:00184 w/m2
11:00218 w/m2
12:00229 w/m2
13:00196 w/m2
14:00143 w/m2
15:0068 w/m2
16:004 w/m2
Monday, November 25
Total: 1413 wh/m2Hours08:0056 w/m2
09:00145 w/m2
10:00215 w/m2
11:00248 w/m2
12:00253 w/m2
13:00229 w/m2
14:00175 w/m2
15:0087 w/m2
16:005 w/m2
Tuesday, November 26
Total: 2028 wh/m2Hours08:0076 w/m2
09:00205 w/m2
10:00308 w/m2
11:00367 w/m2
12:00377 w/m2
13:00332 w/m2
14:00241 w/m2
15:00116 w/m2
16:006 w/m2
Wednesday, November 27
Total: 1881 wh/m2Hours08:0072 w/m2
09:00194 w/m2
10:00289 w/m2
11:00341 w/m2
12:00345 w/m2
13:00305 w/m2
14:00222 w/m2
15:00108 w/m2
16:005 w/m2
Thursday, November 28
Total: 1803 wh/m2Hours08:0065 w/m2
09:00184 w/m2
10:00275 w/m2
11:00324 w/m2
12:00328 w/m2
13:00296 w/m2
14:00219 w/m2
15:00107 w/m2
16:005 w/m2
Friday, November 29
Total: 1767 wh/m2Hours08:0062 w/m2
09:00175 w/m2
10:00267 w/m2
11:00318 w/m2
12:00326 w/m2
13:00294 w/m2
14:00216 w/m2
15:00105 w/m2
16:004 w/m2
Saturday, November 30
Total: 1741 wh/m2Hours08:0060 w/m2
09:00174 w/m2
10:00265 w/m2
11:00316 w/m2
12:00324 w/m2
13:00287 w/m2
14:00211 w/m2
15:00100 w/m2
16:004 w/m2
Sunday, December 1
Total: 1625 wh/m2Hours08:0052 w/m2
09:00155 w/m2
10:00241 w/m2
11:00296 w/m2
12:00308 w/m2
13:00273 w/m2
14:00201 w/m2
15:0095 w/m2
16:004 w/m2
Monday, December 2
Total: 1138 wh/m2Hours08:0067 w/m2
09:00201 w/m2
10:00289 w/m2
11:00273 w/m2
12:00115 w/m2
13:0094 w/m2
14:0068 w/m2
15:0029 w/m2
16:002 w/m2
Tuesday, December 3
Total: 956 wh/m2Hours08:0063 w/m2
09:00178 w/m2
10:00237 w/m2
11:00205 w/m2
12:0096 w/m2
13:0085 w/m2
14:0062 w/m2
15:0029 w/m2
16:001 w/m2
Wednesday, December 4
Total: 589 wh/m2Hours08:0016 w/m2
09:0049 w/m2
10:0077 w/m2
11:0092 w/m2
12:0095 w/m2
13:00109 w/m2
14:0096 w/m2
15:0053 w/m2
16:002 w/m2
Thursday, December 5
Total: 502 wh/m2Hours08:0015 w/m2
09:0049 w/m2
10:0076 w/m2
11:0092 w/m2
12:0095 w/m2
13:0084 w/m2
14:0061 w/m2
15:0029 w/m2
16:001 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.