Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 19%

08:52

22:10

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:42, Set: 18:10, Transit: 12:56. Moon - Rise: 08:52, Set: 22:10. Civil Dark: 18:43 - 07:08. Nautical Dark: 19:20 - 06:30. Astro Dark: 19:58 - 05:52

Total Clouds (% Sky Obscured)

98
98
99
90
83
100
100
93
97
100
100
100
100
93
100
99
99
98
100
96
96
100
100
100

Low Clouds (% Sky Obscured)

90
82
94
76
82
88
83
81
81
70
61
62
56
55
61
84
91
97
100
90
82
70
79
84

Medium Clouds (% Sky Obscured)

98
85
89
28
46
69
28
21
75
47
80
100
100
87
91
98
57
62
43
31
26
20
63
43

High Clouds (% Sky Obscured)

7
9
10
10
10
100
100
9
73
100
100
70
18
5
12
60
38
74
20
52
79
100
100
45

ISS Passover

Visibility (miles)

9
6
3
9
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
75
39
51
49
40
19
13
15
3
2
1
4
24
41
42
38
29
19
10
4
8
14
9

Precipitation Amount (mm)

0
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
17
19
18
16
16
14
14
13
13
12
12
12
13
12
13
13
15
14
14
15
14
14

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
8
8
8
8
7
8
8
9
9
10
10
10
11
12
11
11

Feels Like (°C)

3
2
2
2
3
3
4
4
4
4
4
3
3
4
3
4
5
5
5
6
6
7
8
7

Dew Point (°C)

5
5
6
6
7
7
6
7
7
6
6
6
6
6
6
7
8
8
6
8
9
8
9
8

Relative Humidity (%)

81
84
87
84
88
90
87
88
90
88
88
90
90
90
88
90
91
88
78
83
84
80
84
84

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1018
1019
1019
1020
1020
1021
1022
1022
1023
1023
1023
1023
1022
1022
1022
1023

Ozone (du)

349
353
350
354
346
344
344
344
343
337
336
336
336
333
331
328
331
330
326
321
320
318
316
308

Saturday 21

Waxing Crescent 30%

09:09

23:35

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:40, Set: 18:11, Transit: 12:55. Moon - Rise: 09:09, Set: 23:35. Civil Dark: 18:45 - 07:06. Nautical Dark: 19:21 - 06:28. Astro Dark: 19:59 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
99
100
95
100

Low Clouds (% Sky Obscured)

92
87
80
82
81
82
100
68
91
82
97
97
84
80
89
90
100
100
100
100
99
100
91
100

Medium Clouds (% Sky Obscured)

85
96
100
95
100
100
100
93
94
61
76
29
15
99
67
100
93
100
100
100
72
78
52
26

High Clouds (% Sky Obscured)

53
13
48
100
100
100
100
100
77
77
99
100
100
100
60
100
100
100
100
100
42
33
28
22

ISS Passover

Visibility (miles)

9
9
9
9
9
3
6
9
8
9
9
9
9
9
9
3
8
6
7
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
Very Light Rain
None
Light Rain
Light Rain
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

6
41
76
60
87
79
42
49
38
22
13
8
46
58
66
95
89
95
89
71
23
10
6
9

Precipitation Amount (mm)

0
0
0.3
0
0.8
0.4
0
0
0
0
0
0
0
0.3
0.3
0.7
0.4
0.6
0.6
0.4
0
0
0
0

Wind Speed/Direction (mph)

12
12
14
15
16
15
15
14
15
16
16
16
17
17
17
17
17
17
16
17
16
16
14
13

Chance of Frost

Temperature (°C)

10
10
10
10
11
11
11
11
12
12
12
11
11
11
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

7
7
7
6
6
7
7
8
8
7
7
7
7
6
6
6
7
7
7
7
7
6
7
7

Dew Point (°C)

8
8
9
9
9
10
11
11
11
11
11
10
9
9
9
9
10
10
10
10
9
8
8
8

Relative Humidity (%)

85
88
91
90
90
93
96
95
96
95
93
93
88
88
87
90
91
93
93
88
83
79
79
83

Pressure (mb)

1023
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1020
1020
1020
1019
1019
1019
1019
1020
1020
1020

Ozone (du)

306
306
304
307
306
307
311
313
314
313
313
316
321
326
332
334
338
343
349
352
354
353
350
348

Sunday 22

Waxing Crescent 41%

09:31

01:02

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:37, Set: 18:13, Transit: 12:55. Moon - Rise: 09:31, Set: 01:02. Civil Dark: 18:46 - 07:04. Nautical Dark: 19:23 - 06:26. Astro Dark: 20:01 - 05:48

Total Clouds (% Sky Obscured)

92
100
100
100
100
100
100
100
84
90
76
75
92
96
98
100
100
100
100
100
100
97
94
91

Low Clouds (% Sky Obscured)

67
83
79
73
70
81
72
72
68
87
69
59
66
80
92
96
97
75
71
65
59
42
23
18

Medium Clouds (% Sky Obscured)

49
89
66
100
93
87
71
97
55
50
40
65
78
63
95
89
24
67
88
97
85
65
72
74

High Clouds (% Sky Obscured)

55
100
100
100
84
35
100
100
28
15
20
25
20
31
52
100
99
94
100
100
100
88
81
73

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
6
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
None
Very Light Rain
None
Light Rain
None
None
None

Precipitation Probability (%)

3
6
9
31
24
9
4
5
4
3
1
1
0
7
43
68
58
46
61
44
95
61
40
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0.3
0
1
0
0
0

Wind Speed/Direction (mph)

12
13
12
11
12
14
12
13
15
14
14
13
12
13
14
16
14
13
15
17
17
14
16
16

Chance of Frost

Temperature (°C)

11
11
11
10
10
10
10
10
10
10
10
9
9
9
9
10
10
11
12
12
12
12
11
11

Feels Like (°C)

7
7
7
8
7
6
7
7
6
6
5
5
5
5
5
5
6
7
8
8
7
8
7
6

Dew Point (°C)

9
9
9
9
9
9
9
9
7
8
7
7
7
8
8
8
9
10
10
11
11
11
11
10

Relative Humidity (%)

87
90
90
93
93
88
91
90
81
84
82
82
88
91
91
85
90
93
90
93
93
95
95
93

Pressure (mb)

1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1018
1017
1017
1017
1016
1016
1016
1015
1016
1016

Ozone (du)

348
349
358
374
378
368
359
354
353
348
349
350
352
356
358
357
354
355
356
354
353
355
353
353

Monday 23

Waxing Crescent 53%

10:02

02:29

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:35, Set: 18:15, Transit: 12:55. Moon - Rise: 10:02, Set: 02:29. Civil Dark: 18:48 - 07:02. Nautical Dark: 19:25 - 06:24. Astro Dark: 20:03 - 05:46

Total Clouds (% Sky Obscured)

91
93
95
96
97
99
99
100
100
100
100
80
100
95
82
73
70
59
51
48
69
65
55
57

Low Clouds (% Sky Obscured)

39
55
78
81
87
91
91
90
90
94
97
80
100
95
82
73
66
59
39
16
0
0
0
0

Medium Clouds (% Sky Obscured)

76
80
87
20
20
55
65
80
71
24
13
0
2
4
6
5
2
0
0
0
6
25
33
49

High Clouds (% Sky Obscured)

53
20
5
26
42
68
81
89
100
100
100
80
67
33
0
3
6
8
20
32
47
39
30
23

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

36
44
52
41
38
34
31
20
4
3
4
0
0
1
2
1
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
15
15
16
15
15
14
14
13
11
12
11
12
12
12
13
13
13
14
13
12
10
9
8

Chance of Frost

Temperature (°C)

10
10
10
10
10
11
11
11
11
11
12
12
11
11
11
11
12
13
13
14
14
14
13
12

Feels Like (°C)

6
6
5
5
6
6
7
7
8
8
8
8
9
7
7
9
9
9
10
11
11
11
11
10

Dew Point (°C)

9
9
9
9
9
9
9
9
9
10
10
10
10
9
8
8
6
6
5
5
5
6
7
7

Relative Humidity (%)

93
95
93
93
90
88
87
84
84
92
87
87
93
90
85
79
68
62
58
55
53
58
63
70

Pressure (mb)

1016
1016
1016
1016
1017
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015

Ozone (du)

353
352
353
350
350
348
347
345
342
342
343
343
344
342
342
344
345
345
344
343
346
347
348
348

Tuesday 24

First Quarter 49%

10:46

03:51

19 Good
20 Good
21 Good
22 OK
23 Bad
00 Bad
01 Bad
02 OK
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 OK
12 OK
13 OK
14 OK
15 OK
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:33, Set: 18:17, Transit: 12:55. Moon - Rise: 10:46, Set: 03:51. Civil Dark: 18:50 - 07:00. Nautical Dark: 19:26 - 06:22. Astro Dark: 20:04 - 05:44

Total Clouds (% Sky Obscured)

18
17
16
29
49
67
52
27
4
6
6
6
8
8
9
16
25
34
33
36
39
50
55
66

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
14
22
34
48
64

Medium Clouds (% Sky Obscured)

2
3
3
2
2
0
0
2
0
0
0
0
0
0
0
5
10
11
10
7
7
6
3
6

High Clouds (% Sky Obscured)

18
17
15
29
49
67
52
27
1
1
1
1
0
0
0
0
0
0
31
36
39
50
55
66

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
8
8
7
7
7
7
6
6
6
6
7
8
8
8
9
9
9
8
8
7
7

Chance of Frost

Temperature (°C)

11
11
10
10
9
9
9
9
9
8
8
8
8
9
10
12
13
15
17
17
17
17
16
15

Feels Like (°C)

8
9
8
8
8
7
8
8
8
8
8
8
8
8
8
9
9
10
10
18
17
16
17
17

Dew Point (°C)

7
6
6
6
5
5
6
7
7
7
7
7
7
8
8
9
9
9
9
10
10
10
10
10

Relative Humidity (%)

73
74
76
76
76
78
84
88
90
91
93
93
93
90
85
84
75
68
62
62
62
62
68
74

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

349
349
349
350
349
350
353
353
353
355
357
358
359
359
359
358
358
358
358
359
359
360
361
361

Wednesday 25

Waxing Gibbous 64%

11:48

05:00

19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:31, Set: 18:18, Transit: 12:55. Moon - Rise: 11:48, Set: 05:00. Civil Dark: 18:51 - 06:58. Nautical Dark: 19:28 - 06:20. Astro Dark: 20:06 - 05:42

Total Clouds (% Sky Obscured)

71
71
71
58
44
31
40
53
66
73
83
94
94
92
90
88
87
86
80
77
76
84
93
98

Low Clouds (% Sky Obscured)

53
41
27
17
14
8
6
11
18
23
29
35
38
35
41
46
43
39
36
40
36
34
34
33

Medium Clouds (% Sky Obscured)

7
7
8
5
4
0
0
0
0
8
16
24
47
69
87
76
69
69
57
48
32
43
53
64

High Clouds (% Sky Obscured)

61
32
1
1
0
0
33
53
66
66
37
9
25
39
54
40
25
7
25
42
30
72
75
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
6
0
1
2
1
1
0
0
0
0
0
0
1
0
1
4
5
2
1
2
15
17
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
7
8
8
8
9
9
10
10
11
11
12
12
13
14
15
15
16
15
15
14
14
14

Chance of Frost

Temperature (°C)

13
13
12
12
11
11
10
10
10
10
10
10
10
10
11
11
12
13
14
14
14
14
13
13

Feels Like (°C)

17
12
13
13
13
13
12
10
9
9
9
9
8
7
7
7
7
6
7
12
12
10
11
12

Dew Point (°C)

11
10
10
10
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8
7
8
8
8
8

Relative Humidity (%)

83
84
86
87
87
87
87
88
90
91
88
88
88
85
83
80
73
69
64
63
63
63
68
74

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016

Ozone (du)

362
362
363
363
363
363
362
361
361
360
359
358
357
362
366
371
382
393
405
401
397
394
386
378

Thursday 26

Waxing Gibbous 75%

13:06

05:50

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:29, Set: 18:20, Transit: 12:55. Moon - Rise: 13:06, Set: 05:50. Civil Dark: 18:53 - 06:56. Nautical Dark: 19:30 - 06:18. Astro Dark: 20:08 - 05:40

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

42
52
59
68
80
91
93
96
98
94
89
82
80
77
75
73
73
75

Medium Clouds (% Sky Obscured)

69
78
87
91
92
94
95
97
98
97
96
96
96
97
98
97
97
97

High Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
Very Light Rain
None

Precipitation Probability (%)

23
27
30
43
56
63
65
72
73
51
36
34
40
44
47
57
59
57

Precipitation Amount (mm)

0
0
0
0
0.2
0.3
0.3
0.4
0.4
0
0
0
0
0
0
0
0.2
0.2

Wind Speed/Direction (mph)

14
14
14
15
15
14
14
14
14
13
13
12
12
12
11
11
11
11

Chance of Frost

Temperature (°C)

12
11
11
11
11
11
11
11
11
10
11
11
11
11
11
11
11
11

Feels Like (°C)

13
7
7
8
8
7
7
7
7
7
7
7
7
7
8
8
8
8

Dew Point (°C)

8
8
8
8
8
7
7
7
7
7
8
9
9
9
9
9
9
9

Relative Humidity (%)

79
79
79
79
79
78
77
78
78
80
84
87
91
90
90
90
88
87

Pressure (mb)

1016
1016
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

370
364
358
352
351
350
350
347
344
341
338
335
333
330
327
324
322
320

Forecast for Brussels, Bruxelles-Capitale, Kingdom of Belgium (50.85,4.35)

Generated: 20/02/26 19:20:00. Forecast: 20/02/26 to 26/02/26. Timezone: UTC+1.00