Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 27

Waxing Gibbous 85%

14:32

06:25

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: 07:27, Set: 18:22, Transit: 12:55. Moon - Rise: 14:32, Set: 06:25. Civil Dark: 18:55 - 06:54. Nautical Dark: 19:31 - 06:16. Astro Dark: 20:09 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
77
83
78
90
82
100
89
84
91
85
87
73
74

Low Clouds (% Sky Obscured)

89
88
85
81
80
65
62
74
30
47
76
77
83
78
90
82
100
84
80
83
82
74
59
55

Medium Clouds (% Sky Obscured)

97
95
100
95
92
88
100
78
89
89
76
20
4
3
0
0
23
39
36
23
26
24
41
74

High Clouds (% Sky Obscured)

100
93
99
100
99
100
100
100
100
100
100
12
10
2
1
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
8
7
9
5
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
8

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

Precipitation Probability (%)

13
7
79
77
61
29
16
11
1
0
4
11
4
5
6
16
9
27
15
15
32
54
74
31

Precipitation Amount (mm)

0
0
0.4
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0

Wind Speed/Direction (mph)

12
12
12
13
13
13
13
14
13
12
14
15
16
16
18
18
17
18
20
21
18
17
16
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
8
8
8
8
8
7
7
6
5
4
4
3
3
3
4
4
4
3
4
4
4
5

Dew Point (°C)

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

Relative Humidity (%)

83
86
90
90
93
92
86
83
80
80
82
82
81
81
77
74
73
74
78
82
77
80
88
90

Pressure (mb)

1014
1014
1014
1014
1014
1015
1014
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1018
1018
1019
1020
1021

Ozone (du)

357
360
363
366
369
369
370
370
371
374
376
373
374
373
373
372
371
381
387
388
391
392
394
394

Saturday 28

Waxing Gibbous 92%

15:58

06:49

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

Sun - Rise: 07:25, Set: 18:24, Transit: 12:54. Moon - Rise: 15:58, Set: 06:49. Civil Dark: 18:57 - 06:52. Nautical Dark: 19:33 - 06:14. Astro Dark: 20:11 - 05:36

Total Clouds (% Sky Obscured)

29
26
33
21
0
0
0
0
1
29
2
0
1
2
40
100
100
96
90
95
91
90
92
91

Low Clouds (% Sky Obscured)

29
26
33
21
0
0
0
0
0
0
0
0
0
0
28
15
49
42
46
39
26
23
26
23

Medium Clouds (% Sky Obscured)

29
0
0
0
0
0
0
0
1
10
2
0
0
0
32
78
62
58
53
65
57
81
70
86

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
24
81
7
8
8
78
59
8
5
5

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 (%)

5
2
13
1
1
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

8
7
6
6
5
5
5
5
5
4
4
4
4
4
6
8
9
10
10
11
11
11
11
10

Feels Like (°C)

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

Dew Point (°C)

6
6
5
4
3
4
4
3
3
3
3
2
3
2
2
4
4
3
3
2
3
3
4
4

Relative Humidity (%)

85
88
91
86
85
90
91
91
91
91
91
89
89
86
79
75
70
63
59
55
54
57
60
65

Pressure (mb)

1022
1023
1023
1024
1024
1024
1024
1025
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1021
1021
1021

Ozone (du)

396
401
404
407
408
407
411
413
412
417
417
415
411
408
404
402
401
399
398
399
398
396
395
394

Sunday 1

Waxing Gibbous 97%

17:22

07:07

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

Sun - Rise: 07:23, Set: 18:25, Transit: 12:54. Moon - Rise: 17:22, Set: 07:07. Civil Dark: 18:58 - 06:50. Nautical Dark: 19:35 - 06:12. Astro Dark: 20:13 - 05:34

Total Clouds (% Sky Obscured)

56
38
34
62
37
40
45
41
55
10
4
27
26
25
15
17
11
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

21
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

51
30
25
44
28
30
32
22
9
2
1
13
10
10
5
7
4
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
15
55
9
2
3
2
1
1
0
0
0
0
0
0
0
0
0

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
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)

9
9
9
9
9
9
8
8
8
9
9
8
8
9
9
11
12
11
11
11
10
9
7
6

Chance of Frost

Temperature (°C)

9
8
8
7
7
7
7
7
7
7
7
6
6
6
7
9
11
13
14
15
15
15
14
13

Feels Like (°C)

6
5
6
5
5
4
5
5
5
4
4
4
4
4
5
6
9
10
12
12
13
14
13
12

Dew Point (°C)

4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
5
5
5
6
7
7
7

Relative Humidity (%)

70
71
73
73
74
75
78
78
78
78
78
78
76
78
74
68
63
59
55
53
53
56
60
70

Pressure (mb)

1021
1022
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018

Ozone (du)

393
392
392
394
391
391
392
392
391
391
391
392
392
393
394
394
394
395
395
395
395
397
397
397

Monday 2

Waxing Gibbous 100%

18:41

07:21

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

Sun - Rise: 07:21, Set: 18:27, Transit: 12:54. Moon - Rise: 18:41, Set: 07:21. Civil Dark: N/A - 06:48. Nautical Dark: 19:36 - 06:10. Astro Dark: 20:15 - 05:31

Total Clouds (% Sky Obscured)

0
1
2
4
7
33
41
40
43
38
18
4
18
23
24
48
66
84
79
85
100
83
64
50

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
24
37
42
39
41
45
43
45

Medium Clouds (% Sky Obscured)

0
1
2
4
6
33
41
40
43
38
7
4
4
23
24
48
66
76
67
79
99
80
57
44

High Clouds (% Sky Obscured)

0
0
0
0
1
11
5
5
0
0
0
0
0
0
0
0
4
2
2
5
8
8
12
16

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
1
6
13
19
26
27
25

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)

5
5
5
5
5
5
5
4
4
4
4
4
4
3
2
2
2
3
3
3
4
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
10
9
9
8
7
6
6
5
6
6
7
7
8
9
10
12
14
15
14
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

76
81
82
84
85
85
85
87
87
85
88
88
88
88
82
76
68
63
60
57
55
57
61
65

Pressure (mb)

1019
1019
1020
1020
1020
1021
1021
1021
1021
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1026
1026

Ozone (du)

398
397
398
398
398
399
400
399
399
400
402
400
398
396
398
399
400
401
402
402
400
398
398
395

Tuesday 3

Full Moon 100%

No Rise

07:34

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 OK
10 OK
11 Good
12 Good
13 Good
14 Good
15 Good
16 OK
17 OK
18 Bad

Sun - Rise: 07:19, Set: 18:29, Transit: 12:54. Moon - Rise: No Rise, Set: 07:34. Civil Dark: 19:00 - 06:46. Nautical Dark: 19:38 - 06:08. Astro Dark: 20:16 - 05:29

Total Clouds (% Sky Obscured)

51
58
63
68
82
92
89
86
94
92
87
82
71
53
35
25
17
8
11
13
16
25
35
51

Low Clouds (% Sky Obscured)

39
36
30
30
31
31
31
30
29
32
32
32
21
11
1
1
1
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

45
42
41
48
62
79
61
62
76
80
80
71
39
30
27
21
12
4
4
4
4
3
3
1

High Clouds (% Sky Obscured)

42
58
63
68
82
92
69
37
10
9
7
5
23
20
16
13
10
7
11
13
16
25
35
51

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 (%)

22
14
6
6
4
2
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
2
3
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
10
10
9
9
8
7
7
6
6
6
6
5
6
7
7
8
9
9
14
14
14
13
14

Dew Point (°C)

6
6
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
6
6
6
6
6

Relative Humidity (%)

70
71
73
76
77
80
82
85
87
88
90
90
90
85
81
78
71
64
59
56
54
53
56
61

Pressure (mb)

1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1025

Ozone (du)

395
393
394
393
392
392
392
393
397
402
409
410
411
407
404
400
398
395
393
391
389
387
388
389

Wednesday 4

Waning Gibbous 97%

19:58

07:45

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

Sun - Rise: 07:16, Set: 18:30, Transit: 12:53. Moon - Rise: 19:58, Set: 07:45. Civil Dark: 19:02 - 06:44. Nautical Dark: 19:40 - 06:06. Astro Dark: 20:18 - 05:27

Total Clouds (% Sky Obscured)

55
56
56
41
25
12
17
26
34
27
24
26
30
41
45
33
16
0
2
5
8
10
11
12

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
5
4
2
0

Medium Clouds (% Sky Obscured)

1
1
1
1
0
0
0
0
0
1
2
4
4
4
8
8
6
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

55
56
56
41
25
12
17
26
34
27
24
26
24
11
0
0
0
0
0
1
2
8
11
12

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 (%)

3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

12
11
10
10
9
9
8
8
8
7
7
7
7
8
9
11
12
14
16
16
17
17
16
14

Feels Like (°C)

14
10
9
10
10
9
9
7
7
7
7
7
7
5
6
7
7
8
8
14
14
13
13
13

Dew Point (°C)

6
6
5
5
5
5
4
4
4
4
4
4
4
4
4
5
5
5
5
6
6
6
6
6

Relative Humidity (%)

65
68
69
73
74
74
75
77
78
79
81
81
81
75
69
66
60
54
50
49
48
47
53
58

Pressure (mb)

1025
1025
1025
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1019
1018
1018
1017
1017
1017

Ozone (du)

389
389
389
389
388
387
386
387
387
388
392
396
401
406
411
416
415
415
415
409
404
399
402
405

Thursday 5

Waning Gibbous 93%

21:14

07:57

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

Sun - Rise: 07:14, Set: 18:32, Transit: 12:53. Moon - Rise: 21:14, Set: 07:57. Civil Dark: 19:03 - 06:42. Nautical Dark: 19:41 - 06:04. Astro Dark: 20:20 - 05:25

Total Clouds (% Sky Obscured)

12
13
18
39
61
83
63
44
25
28
36
43
67
88
99
97
96
94

Low Clouds (% Sky Obscured)

0
0
0
12
23
35
23
12
0
3
7
11
18
24
29
34
37
36

Medium Clouds (% Sky Obscured)

0
1
1
12
23
37
31
24
18
25
36
43
67
87
99
84
68
53

High Clouds (% Sky Obscured)

12
13
18
33
47
67
63
44
25
28
36
43
67
88
94
78
60
33

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

Precipitation Probability (%)

2
25
0
2
4
1
3
5
0
0
1
3
12
16
4
12
14
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
11
10
10
10
9
9
8
8
8
8
8
9
10
11
12
14

Feels Like (°C)

14
9
9
9
9
9
8
6
6
6
6
6
5
6
6
7
7
7

Dew Point (°C)

6
6
5
5
5
5
5
5
4
4
4
4
5
5
6
6
7
7

Relative Humidity (%)

65
66
67
68
71
72
74
74
75
77
78
79
81
78
76
73
69
63

Pressure (mb)

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

Ozone (du)

408
407
407
406
404
401
399
395
392
389
389
389
389
389
389
390
390
390

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

Generated: 27/02/26 18:47:53. Forecast: 27/02/26 to 05/03/26. Timezone: UTC+1.00