Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 1

Waxing Gibbous 97%

15:11

08:19

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

Sun - Rise: 08:42, Set: 16:47, Transit: 12:44. Moon - Rise: 15:11, Set: 08:19. Civil Dark: 17:26 - 08:03. Nautical Dark: 18:08 - 07:21. Astro Dark: 18:47 - 06:41

Total Clouds (% Sky Obscured)

77
82
86
86
75
58
53
40
44
46
33
29
19
10
26
25
22
10
32
51
29
62
53
44

Low Clouds (% Sky Obscured)

47
66
72
72
72
53
48
40
44
45
33
16
19
10
26
25
22
10
32
36
25
60
51
41

Medium Clouds (% Sky Obscured)

77
82
86
26
25
3
0
0
1
0
0
25
0
0
0
0
1
0
2
24
29
9
22
1

High Clouds (% Sky Obscured)

77
82
54
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
4
3
3
9
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
1
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
44
44
63
37
43
28
26
19
9
8
9
9
6
14
2
4
5
4
3
3
8
8

Precipitation Amount (mm)

0
0
0
0
0.4
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
83
82
82
86
69
70
67
69
67
65
61
59
57
58
60
62
64
66
69
71
72
75

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1004
1004
1003
1003
1003
1003
1004
1004
1004
1005
1005
1005

Ozone (du)

367
367
370
372
372
372
373
370
376
380
383
386
386
387
386
383
382
381
381
378
376
367
360
352

Friday 2

Waxing Gibbous 100%

16:31

09:16

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

Sun - Rise: 08:41, Set: 16:48, Transit: 12:45. Moon - Rise: 16:31, Set: 09:16. Civil Dark: 17:27 - 08:03. Nautical Dark: 18:09 - 07:21. Astro Dark: 18:48 - 06:41

Total Clouds (% Sky Obscured)

45
49
26
57
85
83
74
72
70
75
69
68
62
73
46
41
82
97
91
87
91
100
95
64

Low Clouds (% Sky Obscured)

45
47
22
55
81
72
74
71
70
74
69
68
62
73
46
41
70
75
83
79
81
82
67
56

Medium Clouds (% Sky Obscured)

3
23
26
25
25
43
35
15
20
2
46
42
62
70
46
41
82
95
23
32
77
59
61
12

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
8
2
0
7
9
9
5
9
0
9
9
9
8
2
0
3
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
None
None
None
None
None
None
None
None
None
None
None
Snow
None
None
None

Precipitation Probability (%)

7
13
21
25
28
32
34
52
46
26
31
42
39
45
41
13
11
9
24
62
68
36
13
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
80
81
79
81
87
89
91
96
92
86
81
78
75
93
74
71
74
84
92
96
92
75
83

Pressure (mb)

1006
1006
1006
1005
1005
1005
1005
1004
1004
1004
1004
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1007
1008
1008

Ozone (du)

336
332
339
343
343
345
351
356
364
373
380
379
385
392
390
390
390
387
385
380
375
376
379
384

Saturday 3

Full Moon 99%

18:00

09:56

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 OK
21 Good
22 OK

Sun - Rise: 08:41, Set: 16:49, Transit: 12:45. Moon - Rise: 18:00, Set: 09:56. Civil Dark: 17:28 - 08:03. Nautical Dark: 18:10 - 07:21. Astro Dark: 18:49 - 06:41

Total Clouds (% Sky Obscured)

77
64
45
52
54
53
84
72
57
72
71
66
51
72
70
72
65
61
76
69
47
28
10
29

Low Clouds (% Sky Obscured)

63
50
41
51
53
53
84
68
56
70
69
62
51
67
67
66
65
61
64
46
30
16
4
18

Medium Clouds (% Sky Obscured)

25
23
18
16
21
25
30
36
25
23
27
4
0
29
60
70
1
0
6
10
9
5
2
1

High Clouds (% Sky Obscured)

0
0
0
1
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
6
9
9
9
3
0
7
9
1
5
6
9
9
0
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
Sleet
Snow
None
Snow
Snow
None
None
None
Light Rain
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
20
31
22
31
95
88
26
50
45
14
12
14
75
46
11
3
1
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.8
0.5
0
0.2
0.2
0
0
0
0.6
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
14
13
12
12
11
10
12
13
13
14
13
14
15
15
14
12
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
84
84
86
91
96
86
83
92
87
87
87
88
96
86
81
83
86
89
87
84
84
81

Pressure (mb)

1009
1009
1009
1010
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

384
388
392
396
396
399
404
406
405
405
399
393
386
380
380
374
370
369
367
365
367
376
377
379

Sunday 4

Waning Gibbous 96%

19:29

10:22

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

Sun - Rise: 08:41, Set: 16:50, Transit: 12:46. Moon - Rise: 19:29, Set: 10:22. Civil Dark: 17:29 - 08:02. Nautical Dark: 18:11 - 07:21. Astro Dark: 18:50 - 06:41

Total Clouds (% Sky Obscured)

32
41
37
39
40
35
32
28
21
11
3
23
44
65
64
65
65
69
70
92
73
70
68
93

Low Clouds (% Sky Obscured)

30
41
37
39
37
32
32
28
19
8
0
12
23
35
47
59
65
69
70
74
73
70
68
81

Medium Clouds (% Sky Obscured)

1
1
2
0
34
35
32
24
21
4
0
5
11
16
20
25
23
24
30
28
28
30
34
75

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
3
0
0
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7

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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
5
48
70
76
47
7
1
0
1
0
0
2
3
4
9
12
11
14
14
25
18

Precipitation Amount (mm)

0
0
0
0
0.2
0.6
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
10
10
9
10
9
9
9
9
10
10
10
10
10
9
9
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

383
389
393
389
390
394
396
397
399
403
408
412
414
411
410
409
412
413
412
409
412
414
415
416

Monday 5

Waning Gibbous 91%

20:53

10:41

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 OK
20 OK
21 OK
22 OK

Sun - Rise: 08:41, Set: 16:51, Transit: 12:46. Moon - Rise: 20:53, Set: 10:41. Civil Dark: 17:30 - 08:02. Nautical Dark: 18:12 - 07:20. Astro Dark: 18:51 - 06:41

Total Clouds (% Sky Obscured)

55
54
49
45
75
81
80
87
88
72
90
84
66
84
71
55
41
42
40
40
35
30
24
37

Low Clouds (% Sky Obscured)

55
54
49
45
67
74
75
82
77
72
89
82
66
83
71
55
41
42
40
40
35
28
19
21

Medium Clouds (% Sky Obscured)

12
0
0
0
0
3
46
60
60
3
2
3
3
0
0
0
0
1
1
3
3
4
4
25

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
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
9
8
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
9
10
11
9
17
27
28
15
4
2
3
5
1
1
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
8
8
8
7
7
6
6
5
5
5
4
5
5
6
5
5
4
4
5
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-7
-8
-8
-8
-9
-8
-8
-7
-8
-9
-8
-6
-4
-4
-4
-3
-4
-4
-4
-4
-7
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

92
92
94
92
90
90
92
92
94
94
94
94
92
91
89
91
92
92
92
92
92
90
89
90

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

414
410
406
401
403
403
404
405
401
401
399
400
402
403
403
403
402
402
401
401
401
402
402
403

Tuesday 6

Waning Gibbous 83%

22:12

10:56

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
21 Bad
22 Bad

Sun - Rise: 08:40, Set: 16:53, Transit: 12:46. Moon - Rise: 22:12, Set: 10:56. Civil Dark: 17:31 - 08:02. Nautical Dark: 18:13 - 07:20. Astro Dark: 18:52 - 06:40

Total Clouds (% Sky Obscured)

49
62
55
55
61
61
66
76
85
93
100
99
99
98
98
98
98
97
96
94
96
98
100
97

Low Clouds (% Sky Obscured)

21
23
15
9
4
4
4
5
15
25
34
40
45
48
61
71
77
68
64
60
51
53
56
64

Medium Clouds (% Sky Obscured)

49
62
55
55
61
61
66
76
85
93
100
99
99
98
98
98
98
95
91
87
91
95
99
79

High Clouds (% Sky Obscured)

2
10
10
15
19
33
44
51
52
54
55
54
44
39
41
25
23
21
11
1
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
1
3
4
3
3
3
5
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
None
None
None
Snow
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
3
4
4
14
20
25
43
49
49
43
36
28
26
21
8
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-9
-9
-10
-10
-10
-10
-10
-10
-10
-9
-10
-10
-10
-10
-8
-8
-8
-8
-8
-8
-8
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

90
90
92
92
90
89
89
89
89
89
90
91
91
92
92
92
92
92
92
94
94
94
94
92

Pressure (mb)

1017
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

401
400
398
400
401
402
404
405
406
408
410
412
411
411
411
412
412
413
413
413
413
417
422
427

Wednesday 7

Waning Gibbous 74%

No Rise

11:08

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: 08:40, Set: 16:54, Transit: 12:47. Moon - Rise: No Rise, Set: 11:08. Civil Dark: 17:32 - 08:01. Nautical Dark: 18:14 - 07:20. Astro Dark: 18:54 - 06:40

Total Clouds (% Sky Obscured)

94
91
86
84
82
86
87
90
93
97
100
90
81
71
66
61
57
58
60
62

Low Clouds (% Sky Obscured)

70
76
78
79
80
66
58
51
54
64
71
71
67
67
66
61
57
58
60
62

Medium Clouds (% Sky Obscured)

61
45
45
49
53
56
59
60
74
87
100
86
73
54
32
16
0
0
0
0

High Clouds (% Sky Obscured)

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
9
9
9
9
9
8
6
3
1
0
0
0
0
0

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
None
None
None
Snow
Snow
Snow
None
None

Precipitation Probability (%)

6
3
6
8
2
11
14
12
26
25
24
35
34
30
37
41
41
40
37
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0
0

Wind Speed/Direction (mph)

8
7
7
7
7
8
7
8
7
8
9
9
11
12
13
12
11
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
92
91
91
91
91
91
91
91
89
91
92
92
94
96
98
98
96

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1013
1014

Ozone (du)

426
426
426
420
414
407
404
401
398
392
386
380
374
368
362
358
355
351
352
353

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

Generated: 01/01/26 22:42:41. Forecast: 01/01/26 to 07/01/26. Timezone: UTC+1.00