Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 3%

09:35

19:05

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 Good
13 Bad
14 OK
15 OK
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:30, Set: 17:12, Transit: 12:51. Moon - Rise: 09:35, Set: 19:05. Civil Dark: 17:49 - 07:53. Nautical Dark: 18:29 - 07:13. Astro Dark: 19:08 - 06:34

Total Clouds (% Sky Obscured)

80
83
76
74
74
74
74
77
76
76
76
76
12
87
47
43
39
72
67
92
83
100
100
100

Low Clouds (% Sky Obscured)

0
5
0
0
0
16
28
28
23
26
17
42
0
41
0
0
0
0
0
0
0
1
0
0

Medium Clouds (% Sky Obscured)

45
46
29
19
13
5
2
2
2
0
0
0
0
0
0
6
12
26
0
0
22
40
58
60

High Clouds (% Sky Obscured)

2
3
2
2
12
12
10
27
15
15
3
3
17
14
18
43
39
72
65
92
69
100
100
100

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
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)

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

Chance of Frost

Temperature (°C)

3
3
2
2
1
2
1
-0
1
-1
1
2
4
6
6
7
6
5
4
4
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
98
97
97
97
94
98
100
88
95
94
94
82
73
66
67
75
83
88
83
83
80
79
79

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1013
1012
1012

Ozone (du)

365
366
366
366
366
366
366
367
366
368
370
373
375
375
377
376
376
377
380
382
385
387
389
390

Wednesday 21

Waxing Crescent 8%

09:51

20:23

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:29, Set: 17:13, Transit: 12:51. Moon - Rise: 09:51, Set: 20:23. Civil Dark: 17:50 - 07:53. Nautical Dark: 18:31 - 07:12. Astro Dark: 19:10 - 06:33

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
90
86
53
63

Low Clouds (% Sky Obscured)

0
0
0
0
0
34
0
0
61
66
50
38
38
23
26
22
7
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

42
77
100
99
99
100
100
84
67
100
77
95
90
98
92
100
100
97
82
73
90
86
53
63

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
66
56
26
31

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 (%)

2
4
4
2
2
3
10
4
4
6
0
0
0
0
0
1
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
11
11
12
14
14
13
13
13
14
14
14
14
14
13
12
11
12
12
11
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
75
71
68
68
66
67
68
71
73
74
71
70
69
68
69
70
73
73
70
71
70
64
59

Pressure (mb)

1011
1010
1009
1009
1008
1007
1006
1005
1005
1005
1004
1004
1003
1002
1001
1001
1000
1000
1000
999
999
998
998
998

Ozone (du)

393
392
387
384
373
364
358
350
344
341
339
339
336
334
333
331
330
332
334
336
337
341
346
348

Thursday 22

Waxing Crescent 15%

10:04

21:41

00 Bad
01 Bad
02 Bad
03 Bad
04 OK
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

Sun - Rise: 08:28, Set: 17:15, Transit: 12:52. Moon - Rise: 10:04, Set: 21:41. Civil Dark: 17:52 - 07:52. Nautical Dark: 18:32 - 07:11. Astro Dark: 19:11 - 06:32

Total Clouds (% Sky Obscured)

45
54
72
68
47
100
92
100
100
96
100
100
100
100
100
100
100
98
100
100
100
100
89
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
5
5
5
5
2
23
27
44
58
5
10
2
7

Medium Clouds (% Sky Obscured)

45
54
72
68
47
100
92
91
46
11
27
35
61
85
81
65
81
90
98
100
95
82
89
94

High Clouds (% Sky Obscured)

9
32
52
55
40
46
58
100
98
94
100
100
100
100
100
100
99
42
66
100
100
94
35
99

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
4
12
9
4
5
2
2
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
64
62
64
64
63
66
69
73
73
72
71
73
74
73
74
78
84
90
90
88
86
88
91

Pressure (mb)

998
997
997
997
997
996
996
996
996
997
997
997
997
996
996
996
996
996
996
996
996
996
996
996

Ozone (du)

350
350
350
351
355
360
363
364
366
366
367
366
366
369
373
373
375
380
388
394
394
393
394
394

Friday 23

Waxing Crescent 23%

10:16

23:00

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

Sun - Rise: 08:27, Set: 17:17, Transit: 12:52. Moon - Rise: 10:16, Set: 23:00. Civil Dark: 17:53 - 07:50. Nautical Dark: 18:34 - 07:10. Astro Dark: 19:12 - 06:31

Total Clouds (% Sky Obscured)

100
100
100
92
94
51
15
15
15
15
26
37
48
65
82
100
100
100
100
98
95
93
81
70

Low Clouds (% Sky Obscured)

0
1
24
65
79
45
15
15
11
15
13
19
24
29
34
49
45
46
45
54
62
70
48
27

Medium Clouds (% Sky Obscured)

100
100
98
48
30
2
0
0
2
15
26
37
48
65
66
82
86
95
100
98
95
93
44
70

High Clouds (% Sky Obscured)

100
100
81
70
29
0
8
7
15
15
25
25
30
53
77
100
100
100
100
91
80
69
46
22

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 (%)

1
1
4
4
3
1
0
0
0
0
0
0
0
0
0
1
1
4
3
0
0
0
4
10

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)

10
10
10
10
10
10
9
9
9
10
10
11
12
12
11
11
10
8
7
6
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
91
88
85
82
86
85
85
82
79
74
66
63
64
69
74
75
76
78
80
86
89

Pressure (mb)

996
996
995
995
995
995
995
994
994
995
995
995
994
994
994
994
993
994
994
994
994
995
995
996

Ozone (du)

390
390
386
381
376
369
368
367
367
367
367
369
371
371
370
370
370
370
371
375
374
373
373
374

Saturday 24

Waxing Crescent 33%

10:29

No Set

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:26, Set: 17:18, Transit: 12:52. Moon - Rise: 10:29, Set: No Set. Civil Dark: 17:55 - 07:49. Nautical Dark: 18:35 - 07:09. Astro Dark: 19:14 - 06:30

Total Clouds (% Sky Obscured)

56
74
88
100
100
100
100
100
100
100
100
100
100
100
100
100
96
76
67
71
72
68
60
51

Low Clouds (% Sky Obscured)

5
12
19
26
49
71
94
90
87
83
86
89
83
80
73
72
65
59
53
35
17
1
2
6

Medium Clouds (% Sky Obscured)

31
74
88
100
100
100
100
100
100
100
100
100
100
100
100
100
92
55
40
40
45
45
33
29

High Clouds (% Sky Obscured)

0
33
67
100
83
66
50
35
20
10
14
19
27
23
23
22
46
73
67
67
33
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 (%)

4
9
19
2
12
17
20
26
34
41
44
46
43
43
41
36
36
32
27
26
24
19
17
11

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
1
1
1
1
2
2
2
2
2
1
1
1
1
2
2
2
2
1
1
1
1

Relative Humidity (%)

88
89
88
86
85
85
86
88
91
89
85
79
74
71
69
69
72
79
85
86
88
89
89
89

Pressure (mb)

996
996
996
997
997
997
997
998
998
999
999
999
999
999
999
999
999
999
999
999
999
1000
1000
1000

Ozone (du)

374
375
376
376
377
377
377
379
381
382
383
384
386
390
392
396
400
403
405
406
407
406
408
412

Sunday 25

Waxing Crescent 45%

10:43

00:21

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

Sun - Rise: 08:25, Set: 17:20, Transit: 12:52. Moon - Rise: 10:43, Set: 00:21. Civil Dark: 17:56 - 07:48. Nautical Dark: 18:36 - 07:08. Astro Dark: 19:15 - 06:29

Total Clouds (% Sky Obscured)

58
48
37
26
26
27
24
36
47
54
51
48
46
61
69
75
82
86
88
82
78
74
77
75

Low Clouds (% Sky Obscured)

8
10
12
13
10
5
0
3
5
7
9
11
14
12
11
11
10
10
10
12
14
17
20
23

Medium Clouds (% Sky Obscured)

29
24
19
14
16
19
24
22
16
6
6
3
3
4
4
5
5
6
11
11
10
10
11
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
33
47
54
51
34
4
28
51
71
72
75
80
71
61
52
52
58

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
2
2
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
89
89
89
91
91
89
88
86
84
80
75
68
70
71
72
77
83
91
91
92
96
96

Pressure (mb)

1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1001
1000
1000
1000
1000
1000
1000
1000
1001
1001
1001
1001
1001
1001

Ozone (du)

414
415
419
423
427
428
429
430
431
431
432
432
432
432
431
430
429
429
428
427
428
429
430
430

Monday 26

First Quarter 56%

11:01

01:45

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:23, Set: 17:22, Transit: 12:53. Moon - Rise: 11:01, Set: 01:45. Civil Dark: 17:58 - 07:47. Nautical Dark: 18:38 - 07:07. Astro Dark: 19:17 - 06:28

Total Clouds (% Sky Obscured)

68
79
85
84
87
88
91
90
89
88
91
94
96
88
82
77
80
82
85
88
91
94
94
94

Low Clouds (% Sky Obscured)

28
28
32
39
48
52
56
69
73
73
79
80
85
82
79
77
69
65
65
65
52
49
54
65

Medium Clouds (% Sky Obscured)

13
29
29
37
29
21
9
19
29
39
50
64
76
65
55
47
50
53
56
65
73
82
79
76

High Clouds (% Sky Obscured)

64
60
69
66
56
49
43
32
25
20
24
24
22
14
21
16
10
5
0
1
2
2
8
15

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
94
96
91
89
84
80
75
70
70
67
67
71
77
81
83
86
86
86

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1002
1002
1002
1002
1002
1001
1001
1001
1001
1001
1001
1001
1000

Ozone (du)

429
428
428
427
426
422
417
413
411
408
406
400
394
388
392
395
399
395
391
388
388
389
390
389

Forecast for Elst, Flemish Brabant, Kingdom of Belgium (50.77,4.89)

Generated: 20/01/26 14:44:24. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+1.00