Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Crescent 23%

10:18

21:43

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
19 Bad
20 Bad

Sun - Rise: 08:29, Set: 17:19, Transit: 12:54. Moon - Rise: 10:18, Set: 21:43. Civil Dark: 17:55 - 07:53. Nautical Dark: 18:36 - 07:12. Astro Dark: 19:15 - 06:34

Total Clouds (% Sky Obscured)

86
83
76
76
62
66
57
65
94
92
85
99
89
100
96
100
100
100
100
100
100
100
100
79

Low Clouds (% Sky Obscured)

74
66
69
61
51
65
57
55
69
71
51
32
31
27
45
51
48
50
64
53
76
63
0
16

Medium Clouds (% Sky Obscured)

8
0
46
15
3
0
0
0
39
35
33
51
86
100
94
100
100
96
94
80
58
100
100
65

High Clouds (% Sky Obscured)

1
5
6
0
0
0
0
12
15
27
22
98
11
100
39
100
100
100
100
85
81
85
21
64

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 (%)

17
3
6
0
0
10
1
0
0
0
0
0
0
0
1
3
7
10
11
8
17
15
1
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
10
9
10
10
11
11
10
9
11
11
10
11
12
13
13
13
12
12
11
10
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
87
86
82
85
86
90
91
85
82
83
85
82
75
77
79
85
84
84
84
81
79
78

Pressure (mb)

993
993
993
993
993
993
993
993
993
993
993
993
993
993
993
993
993
993
993
993
994
994
994
994

Ozone (du)

375
378
380
380
379
376
375
374
373
373
374
375
375
376
378
376
376
378
378
378
380
379
378
378

Friday 23

Waxing Crescent 33%

10:31

23:02

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 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Good
18 Good
19 Good
20 Good

Sun - Rise: 08:28, Set: 17:20, Transit: 12:54. Moon - Rise: 10:31, Set: 23:02. Civil Dark: 17:57 - 07:52. Nautical Dark: 18:37 - 07:12. Astro Dark: 19:16 - 06:33

Total Clouds (% Sky Obscured)

76
100
99
98
100
100
100
83
93
100
100
85
35
90
85
95
95
97
99
100
0
0
0
5

Low Clouds (% Sky Obscured)

13
0
6
13
0
13
10
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

71
84
86
89
92
93
95
83
93
45
40
25
12
20
20
10
10
15
26
85
0
0
0
5

High Clouds (% Sky Obscured)

40
100
83
90
100
91
91
50
5
13
12
0
4
59
85
86
81
87
97
89
0
0
0
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 (%)

0
0
0
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)

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

Chance of Frost

Temperature (°C)

6
5
5
5
5
5
5
5
5
5
4
5
4
5
6
7
8
8
8
8
7
6
5
5

Feels Like (°C)

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

Dew Point (°C)

3
3
2
2
2
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Relative Humidity (%)

82
82
79
82
80
75
75
78
79
82
85
85
86
82
75
71
66
64
63
65
70
75
79
83

Pressure (mb)

995
995
996
996
997
997
998
998
998
998
998
999
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1001
1001

Ozone (du)

379
380
380
378
378
378
378
379
382
383
387
390
392
394
396
398
401
402
404
406
406
408
411
414

Saturday 24

Waxing Crescent 45%

10:45

00:23

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

Sun - Rise: 08:27, Set: 17:22, Transit: 12:55. Moon - Rise: 10:45, Set: 00:23. Civil Dark: 17:58 - 07:51. Nautical Dark: 18:39 - 07:10. Astro Dark: 19:17 - 06:32

Total Clouds (% Sky Obscured)

10
100
64
96
41
39
84
85
81
66
95
73
67
58
67
70
97
93
87
87
86
45
50
51

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
57
23
26
17
27
25
19
26
9
35
24
1
9
19

Medium Clouds (% Sky Obscured)

10
100
23
73
41
28
53
58
55
40
54
73
67
58
67
70
97
93
87
87
86
45
50
51

High Clouds (% Sky Obscured)

10
57
41
5
5
4
5
0
0
23
5
10
15
15
20
25
20
15
15
5
5
10
10
10

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
2
1
4
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
6
6
7
6
6
6
5
6
6
6
7
8
9
9
9
9
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
86
85
79
77
77
77
80
80
80
77
74
70
66
63
62
62
64
67
68
69
70
74

Pressure (mb)

1001
1001
1001
1001
1001
1001
1000
1000
1000
999
999
999
999
999
999
999
998
997
997
997
997
997
997
997

Ozone (du)

418
422
421
422
422
424
428
430
432
435
434
433
432
429
429
429
427
427
429
428
430
432
434
434

Sunday 25

Waxing Crescent 56%

11:03

01:47

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

Sun - Rise: 08:26, Set: 17:24, Transit: 12:55. Moon - Rise: 11:03, Set: 01:47. Civil Dark: 18:00 - 07:50. Nautical Dark: 18:40 - 07:09. Astro Dark: 19:19 - 06:31

Total Clouds (% Sky Obscured)

56
55
55
57
46
44
43
62
80
100
100
100
100
100
100
99
100
96
99
100
100
100
98
97

Low Clouds (% Sky Obscured)

29
33
38
39
35
33
28
49
76
100
100
100
100
100
100
99
100
96
99
98
96
94
94
95

Medium Clouds (% Sky Obscured)

56
55
55
57
46
44
43
62
80
57
4
4
4
8
1
0
3
3
3
2
0
31
45
45

High Clouds (% Sky Obscured)

10
10
15
20
15
15
25
15
20
15
5
1
0
0
0
0
0
0
0
33
65
100
68
37

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)

7
8
8
9
8
8
8
8
8
7
8
7
6
6
5
5
5
2
1
2
3
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
81
81
80
77
72
70
71
75
83
86
83
77
71
65
64
63
61
60
63
64
65
66

Pressure (mb)

998
998
998
999
999
999
999
1000
1000
1000
1001
1001
1002
1002
1003
1003
1003
1003
1003
1003
1003
1002
1002
1002

Ozone (du)

432
428
425
424
424
425
427
429
430
432
430
430
433
437
437
431
423
418
417
414
417
419
427
442

Monday 26

First Quarter 68%

11:27

03:15

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
19 Bad
20 Bad

Sun - Rise: 08:24, Set: 17:25, Transit: 12:55. Moon - Rise: 11:27, Set: 03:15. Civil Dark: 18:02 - 07:48. Nautical Dark: 18:41 - 07:08. Astro Dark: 19:20 - 06:30

Total Clouds (% Sky Obscured)

96
97
91
100
100
100
100
100
100
100
99
99
88
100
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

96
56
48
43
73
63
54
54
54
54
53
40
25
38
54
73
76
78
81
81
84
86
80
72

Medium Clouds (% Sky Obscured)

45
47
42
59
70
86
100
100
100
45
50
55
60
100
97
99
99
100
100
100
100
100
93
84

High Clouds (% Sky Obscured)

5
37
64
100
100
100
100
100
100
100
99
99
88
100
95
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
7
53
46
95
95
25
2
3
3
1
38
58
76
95
95
84
95
95
95
95
71

Precipitation Amount (mm)

0
0
0
0
0.3
0
1.2
1.1
0
0
0
0
0
0
0.3
0.5
1.3
0.9
0.4
0.6
0.8
0.9
0.6
0.3

Wind Speed/Direction (mph)

6
8
8
8
9
10
11
11
12
13
12
12
12
12
11
11
11
11
11
12
12
13
13
12

Chance of Frost

Temperature (°C)

1
2
1
1
1
1
2
1
2
3
3
3
3
3
4
5
5
5
5
5
5
4
4
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
70
76
78
77
86
81
96
91
86
89
88
88
88
85
80
80
82
83
85
86
89
91
89

Pressure (mb)

1002
1001
1001
1000
999
998
997
996
995
994
993
992
991
990
989
988
986
985
984
982
982
982
981
982

Ozone (du)

443
436
425
413
394
384
377
380
383
399
397
388
384
380
377
375
373
373
372
371
377
383
389
394

Tuesday 27

Waxing Gibbous 79%

12:02

04:43

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
19 Bad
20 Bad

Sun - Rise: 08:23, Set: 17:27, Transit: 12:55. Moon - Rise: 12:02, Set: 04:43. Civil Dark: 18:03 - 07:47. Nautical Dark: 18:43 - 07:07. Astro Dark: 19:22 - 06:29

Total Clouds (% Sky Obscured)

100
97
95
94
92
88
88
88
91
94
95
98
100
100
100
100
100
100
100
89
78
61
52
48

Low Clouds (% Sky Obscured)

66
59
52
41
50
59
67
79
85
92
95
97
100
100
100
100
98
96
91
88
78
61
52
43

Medium Clouds (% Sky Obscured)

74
70
70
69
51
27
11
10
9
8
10
13
15
20
30
31
29
26
23
37
51
61
52
48

High Clouds (% Sky Obscured)

100
97
95
94
67
33
6
14
19
11
17
23
45
74
89
95
100
100
100
64
33
2
1
1

ISS Passover

Visibility (miles)

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

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 (%)

30
25
18
1
6
9
11
21
26
28
32
36
32
26
20
14
15
21
28
33
37
41
44
48

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
12
12
12
12
13
14
15
14
14
16
16
14
14
14
15
15
14
13
13
12
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
5
4
3
3
2
2
1
1
1
1
1
1
2
2
2
2
2
3
3
3
3
3
3

Relative Humidity (%)

90
88
86
83
82
79
79
76
78
78
76
79
80
83
83
82
80
83
86
89
91
91
91
93

Pressure (mb)

982
982
982
982
982
982
982
982
982
983
983
984
984
985
986
986
987
987
988
988
989
989
990
990

Ozone (du)

400
406
408
411
414
421
427
434
439
444
449
455
460
466
469
472
474
474
473
473
474
476
477
480

Wednesday 28

Waxing Gibbous 79%

12:54

06:03

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: 08:22, Set: 17:29, Transit: 12:55. Moon - Rise: 12:54, Set: 06:03. Civil Dark: 18:05 - 07:46. Nautical Dark: 18:45 - 07:06. Astro Dark: 19:23 - 06:27

Total Clouds (% Sky Obscured)

35
45
58
67
69
74
75
64
49
37
56
70
85
85
87
87
88
89
92
95
98
100

Low Clouds (% Sky Obscured)

25
24
41
54
46
31
24
29
33
37
48
63
75
77
77
77
66
54
43
43
43
42

Medium Clouds (% Sky Obscured)

35
45
58
60
44
29
19
12
7
0
4
8
15
30
44
55
65
78
84
85
92
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
15
28
41
34
29
26
41
54
67
44
22
0

ISS Passover

Visibility (miles)

2
1
1
1
2
4
6
9
8
7
7
5
3
1
4
6
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

Precipitation Type

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

Precipitation Probability (%)

51
62
66
65
56
38
24
20
16
15
14
13
11
12
15
16
16
13
11
12
14
17

Precipitation Amount (mm)

0
0.3
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
3
2
2
2
2
1
1
2
2
2
3
3
3
2
2
2
2

Relative Humidity (%)

93
94
96
96
96
96
96
94
94
96
96
96
96
96
91
86
82
79
75
71
75
78

Pressure (mb)

991
992
992
992
993
993
994
995
995
995
995
996
996
997
996
996
996
995
995
994
994
993

Ozone (du)

482
485
486
488
489
483
478
472
448
424
400
387
373
360
356
352
348
348
348
348
351
355

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

Generated: 22/01/26 21:20:51. Forecast: 22/01/26 to 28/01/26. Timezone: UTC+1.00