Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 1

Waxing Gibbous 97%

14:11

07:05

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:44, Set: 16:47, Transit: 12:46. Moon - Rise: 14:11, Set: 07:05. Civil Dark: 17:26 - 08:05. Nautical Dark: 18:09 - 07:23. Astro Dark: 18:49 - 06:43

Total Clouds (% Sky Obscured)

83
84
80
100
98
100
100
100
100
100
84
100
100
100
100
100
100
100
100
100
100
100
69
80

Low Clouds (% Sky Obscured)

70
68
69
64
77
52
81
85
93
100
75
73
46
72
62
68
72
59
72
60
70
74
67
66

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
35
38
38
32
18
32
71
87
70
88
72
94
100
100
100
100
66
76

High Clouds (% Sky Obscured)

1
13
80
100
83
100
100
100
90
33
37
100
100
100
100
100
74
100
100
100
100
91
28
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
Snow

Precipitation Probability (%)

0
0
0
2
3
4
10
30
31
33
28
13
9
6
13
10
18
15
27
26
19
11
19
39

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
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
1
1
1
2
2
3
3
4
4
4
4
3
3
3
2
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

1
-1
-3
-3
-2
-2
-2
-2
-1
2
2
1
-1
-2
-2
-2
-3
-3
-4
-4
-4
-4
-3
-3

Relative Humidity (%)

89
83
74
75
81
78
76
70
74
91
86
79
71
73
73
72
70
69
64
64
62
63
68
73

Pressure (mb)

1015
1014
1013
1012
1012
1011
1010
1009
1008
1007
1007
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1004
1004
1004

Ozone (du)

303
305
311
301
297
301
306
317
325
342
359
373
379
376
377
379
372
370
371
374
377
381
379
376

Friday 2

Waxing Gibbous 100%

15:13

08:22

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 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:44, Set: 16:49, Transit: 12:46. Moon - Rise: 15:13, Set: 08:22. Civil Dark: 17:27 - 08:05. Nautical Dark: 18:09 - 07:23. Astro Dark: 18:49 - 06:43

Total Clouds (% Sky Obscured)

52
68
66
100
100
100
100
100
100
50
58
79
71
40
42
71
81
74
70
70
78
81
61
61

Low Clouds (% Sky Obscured)

52
66
52
46
56
86
94
60
47
50
58
78
71
40
42
58
70
70
70
70
78
80
57
61

Medium Clouds (% Sky Obscured)

52
60
66
100
82
35
40
45
40
0
0
9
0
1
0
59
81
7
15
40
35
30
25
7

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

3
0
0
0
9
9
9
9
9
9
9
9
9
9
9
9
0
9
9
1
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

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

Precipitation Probability (%)

87
75
47
36
15
20
47
62
30
13
5
11
6
4
8
29
36
22
34
48
29
35
27
13

Precipitation Amount (mm)

1.1
0.7
0.2
0.1
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
1
0
0

Feels Like (°C)

-4
-4
-4
-5
-5
-5
-3
-4
-4
-3
-3
-3
-3
-2
-4
-4
-4
-4
-4
-4
-4
-4
-5
-5

Dew Point (°C)

-1
1
1
-0
-3
-4
-5
-6
-6
-5
-5
-5
-4
-3
-4
-3
0
-2
-2
-1
-1
-1
-1
-2

Relative Humidity (%)

84
96
96
94
78
69
66
62
61
63
61
65
71
76
74
77
96
83
84
91
89
91
91
89

Pressure (mb)

1003
1003
1003
1003
1004
1004
1004
1004
1004
1003
1003
1004
1004
1004
1005
1006
1006
1006
1007
1007
1007
1007
1007
1007

Ozone (du)

372
369
372
376
376
381
385
389
390
391
389
388
388
388
382
371
360
351
343
336
337
340
343
348

Saturday 3

Full Moon 99%

16:33

09:19

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:44, Set: 16:50, Transit: 12:47. Moon - Rise: 16:33, Set: 09:19. Civil Dark: 17:28 - 08:05. Nautical Dark: 18:10 - 07:23. Astro Dark: 18:50 - 06:43

Total Clouds (% Sky Obscured)

65
51
51
55
64
63
49
70
82
88
96
96
81
100
100
99
85
77
74
71
70
67
61
65

Low Clouds (% Sky Obscured)

65
51
51
55
64
63
49
70
78
82
78
69
65
66
51
54
62
65
49
58
63
54
45
50

Medium Clouds (% Sky Obscured)

0
1
0
22
35
35
35
11
10
23
51
91
54
100
100
99
83
13
74
70
70
67
61
65

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
7
9
8
9
5
5
9
9
8
8
9
9
3
0
7
7
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
Snow
Snow
None
Snow
Snow
None
None
None
Snow
Snow
Snow
None
Snow

Precipitation Probability (%)

12
5
8
4
9
9
25
8
8
30
34
58
55
43
44
48
40
33
31
53
58
57
30
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.1
0
0.1
0.2
0
0
0
0.3
0.2
0.4
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-1
0
1
1
1
1
1
0
1
1
0
0
-0
-1
-1
-1
-1
-1

Feels Like (°C)

-5
-6
-5
-5
-6
-6
-6
-5
-4
-4
-4
-4
-5
-6
-5
-5
-5
-5
-5
-5
-6
-6
-6
-5

Dew Point (°C)

-2
-3
-4
-4
-4
-4
-2
-2
-3
-2
-1
-0
-1
-2
-2
-2
-2
-3
-3
-2
-2
-2
-2
-2

Relative Humidity (%)

87
84
83
84
84
83
91
86
76
78
84
91
86
88
83
83
88
80
84
92
92
91
89
91

Pressure (mb)

1007
1007
1007
1007
1008
1008
1009
1009
1008
1008
1009
1009
1009
1010
1010
1011
1012
1012
1013
1013
1013
1013
1014
1014

Ozone (du)

352
358
368
374
376
383
388
389
394
399
396
392
385
386
380
378
377
375
376
375
376
380
377
380

Sunday 4

Waning Gibbous 96%

18:02

09:58

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 Good
03 Good
04 Good

Sun - Rise: 08:44, Set: 16:51, Transit: 12:47. Moon - Rise: 18:02, Set: 09:58. Civil Dark: 17:29 - 08:05. Nautical Dark: 18:11 - 07:23. Astro Dark: 18:51 - 06:43

Total Clouds (% Sky Obscured)

68
75
75
62
79
75
80
81
81
77
73
73
64
81
74
65
57
48
40
40
27
15
5
12

Low Clouds (% Sky Obscured)

62
66
64
62
76
75
76
76
73
69
65
69
64
78
66
56
54
48
40
40
27
15
4
10

Medium Clouds (% Sky Obscured)

29
73
75
4
58
32
75
70
80
75
71
30
2
3
3
3
3
1
0
0
0
0
0
2

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

7
4
9
9
3
0
6
7
3
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

36
6
6
26
56
37
33
37
40
20
11
12
8
6
6
7
2
0
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-2
-1
-1
-0
0
1
1
1
1
0
-1
-1
-1
-1
-1
-2
-2
-3
-3
-3
-3

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-3
-2
-2
-2
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-4
-5
-5
-5
-6

Relative Humidity (%)

91
94
91
94
92
96
96
89
83
81
80
81
84
87
91
87
86
87
89
89
87
86
84
82

Pressure (mb)

1015
1015
1015
1015
1016
1016
1016
1017
1017
1016
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1017
1017
1017
1017

Ozone (du)

377
368
366
365
359
365
367
368
365
365
363
363
363
360
362
364
367
368
368
377
378
379
380
379

Monday 5

Waning Gibbous 91%

19:31

10:25

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

Sun - Rise: 08:43, Set: 16:52, Transit: 12:48. Moon - Rise: 19:31, Set: 10:25. Civil Dark: 17:31 - 08:05. Nautical Dark: 18:13 - 07:23. Astro Dark: 18:52 - 06:43

Total Clouds (% Sky Obscured)

23
35
84
92
100
94
91
87
78
71
63
74
80
64
37
35
29
35
39
42
40
42
44
48

Low Clouds (% Sky Obscured)

20
30
65
63
63
57
45
51
57
62
63
58
45
43
25
26
29
35
39
42
40
42
44
39

Medium Clouds (% Sky Obscured)

4
7
23
34
52
64
86
86
73
59
42
50
66
39
29
26
11
10
13
12
13
11
12
11

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
7
7
3
0
0
0
7
7
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
3
9
23
18
37
44
58
45
20
15
6
2
5
6
4
10
12
10
18
17
6
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.1
0.4
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
10
9
9
9
9
9
8
8
6
6
5
5
5
4
4
3
4
5
6
7
7
7

Chance of Frost

Temperature (°C)

-3
-3
-3
-2
-1
-1
-0
1
1
1
1
1
-1
-2
-2
-2
-3
-3
-2
-2
-2
-2
-2
-3

Feels Like (°C)

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

Dew Point (°C)

-6
-6
-5
-4
-3
-2
-1
-0
0
1
1
0
-1
-2
-3
-3
-4
-4
-4
-5
-5
-5
-5
-5

Relative Humidity (%)

81
82
86
89
91
89
92
94
94
98
100
96
96
94
92
92
89
87
86
82
81
81
82
82

Pressure (mb)

1017
1017
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

379
379
381
391
391
393
401
401
404
401
404
404
399
400
401
398
394
391
388
385
382
382
382
382

Tuesday 6

Waning Gibbous 83%

20:55

10:43

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

Sun - Rise: 08:43, Set: 16:53, Transit: 12:48. Moon - Rise: 20:55, Set: 10:43. Civil Dark: 17:32 - 08:05. Nautical Dark: 18:14 - 07:23. Astro Dark: 18:53 - 06:43

Total Clouds (% Sky Obscured)

48
48
48
47
46
50
50
48
46
52
59
56
55
54
64
76
85
84
83
82
84
87
90
85

Low Clouds (% Sky Obscured)

34
27
33
38
39
28
25
16
11
14
15
19
22
26
31
35
46
51
48
45
45
52
52
46

Medium Clouds (% Sky Obscured)

7
8
6
4
2
5
10
13
9
9
9
16
24
32
41
51
61
54
52
50
54
60
62
62

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
2
2
1
3
5
8
8
8
7
8
9
17
8

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
Snow
Snow
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

10
2
3
2
0
1
3
4
8
11
12
10
6
1
4
10
16
42
61
77
75
72
57
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.3
0.5
0.4
0.4
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-3
-3
-3
-3
-3
-3
-2
-1
-0
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-5
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-4
-4
-4
-4
-3
-4
-4
-4
-4
-4
-5

Relative Humidity (%)

84
84
84
84
82
82
81
77
75
78
80
83
84
84
87
86
87
89
87
89
89
87
86
82

Pressure (mb)

1020
1020
1020
1020
1020
1021
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017

Ozone (du)

379
376
373
371
369
367
368
369
370
371
372
373
374
375
376
375
374
373
372
372
372
373
374
375

Wednesday 7

Waning Gibbous 74%

22:14

10:58

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:43, Set: 16:54, Transit: 12:49. Moon - Rise: 22:14, Set: 10:58. Civil Dark: 17:33 - 08:04. Nautical Dark: 18:15 - 07:22. Astro Dark: 18:54 - 06:43

Total Clouds (% Sky Obscured)

81
76
77
78
80
78
77
76
83
92
100
96
93
90
87
86
86
86
85
84

Low Clouds (% Sky Obscured)

44
41
47
57
60
59
61
63
62
62
61
68
77
84
75
67
61
58
56
57

Medium Clouds (% Sky Obscured)

61
61
67
67
65
50
50
45
63
80
100
95
93
90
77
59
41
29
16
3

High Clouds (% Sky Obscured)

9
3
4
5
5
8
13
21
27
25
24
16
8
0
0
0
0
16
34
64

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
8
5
3
0
3
6
9
7
5

Fog (%)

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
Snow
Snow
Snow
Snow
Snow
None
None
None

Precipitation Probability (%)

31
17
14
9
0
1
2
1
17
24
27
33
44
53
48
44
42
34
23
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.1
0.1
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-2
-2
-1
-0
0
0
0
0
-1
-1
-1
-1
-1
-2
-2
-2

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-5
-5
-5
-5
-5
-5
-5
-4
-4
-4
-3
-2
-2
-2
-2
-2
-2
-3

Relative Humidity (%)

84
84
84
82
79
78
75
72
70
73
75
77
83
91
96
96
96
96
96
96

Pressure (mb)

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

Ozone (du)

377
380
383
383
382
382
383
384
385
381
378
375
357
340
322
320
318
316
316
316

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

Generated: 01/01/26 05:07:44. Forecast: 01/01/26 to 07/01/26. Timezone: UTC+1.00