Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 5

Waning Gibbous 94%

19:24

10:30

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

Sun - Rise: 08:50, Set: 16:44, Transit: 12:47. Moon - Rise: 19:24, Set: 10:30. Civil Dark: 17:24 - 08:09. Nautical Dark: 18:08 - 07:26. Astro Dark: 18:49 - 06:44

Total Clouds (% Sky Obscured)

59
66
80
84
100
100
96
74
38
12
78
100
100
94
98
100
91
91
95
16
30
34
6
41

Low Clouds (% Sky Obscured)

49
55
72
64
61
69
66
62
38
9
31
74
58
46
37
51
0
0
30
16
30
34
4
34

Medium Clouds (% Sky Obscured)

59
66
80
84
100
100
92
53
0
2
37
100
74
30
85
100
30
30
30
0
0
3
3
10

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
8
3
7
8
9
9
9
8
8
9
9
6
7
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
Snow
Snow
Snow
Snow
Snow
None
None
None
None
Very Light Rain
Snow
Light Rain
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

9
8
25
78
87
74
63
49
34
36
40
35
47
60
61
52
42
9
4
1
0
1
2
4

Precipitation Amount (mm)

0
0
0
0.6
0.8
0.5
0.4
0.2
0
0
0
0
0.2
0.5
0.4
0.3
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
65
65
67
80
91
84
74
62
56
61
65
70
70
72
74
73
66
64
63
62
62
62
62

Pressure (mb)

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

Ozone (du)

399
399
400
406
407
400
394
404
407
406
398
394
398
402
402
406
410
413
412
405
403
405
404
399

Tuesday 6

Waning Gibbous 91%

20:50

10:47

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:49, Set: 16:45, Transit: 12:47. Moon - Rise: 20:50, Set: 10:47. Civil Dark: 17:25 - 08:09. Nautical Dark: 18:09 - 07:25. Astro Dark: 18:50 - 06:44

Total Clouds (% Sky Obscured)

85
75
93
86
97
85
58
46
46
53
73
71
83
96
92
88
96
90
75
98
100
100
100
96

Low Clouds (% Sky Obscured)

30
42
60
62
78
70
56
38
38
38
42
26
48
93
61
57
60
50
48
59
54
54
92
88

Medium Clouds (% Sky Obscured)

44
31
50
51
92
61
33
14
7
51
69
44
59
90
81
64
51
43
66
95
100
100
100
93

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
32
17
15
9
100
100
5
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
9
9
6
1

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

Precipitation Probability (%)

21
24
34
41
34
29
20
21
14
32
27
18
3
36
59
42
38
32
37
31
24
38
64
92

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
8
6
6
5
4
3
6
6
9
10
10
11
12
12
14
14
14
16
17
18
19
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
65
65
65
64
64
63
65
67
67
67
69
66
61
60
59
62
69
82
91
82
85
83
83

Pressure (mb)

1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1012
1012
1011
1010
1010
1009
1008

Ozone (du)

401
399
396
396
396
394
393
389
386
385
386
388
389
388
385
386
389
392
390
388
384
387
389
393

Wednesday 7

Waning Gibbous 83%

22:11

10:59

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:49, Set: 16:46, Transit: 12:48. Moon - Rise: 22:11, Set: 10:59. Civil Dark: 17:26 - 08:09. Nautical Dark: 18:10 - 07:25. Astro Dark: 18:51 - 06:44

Total Clouds (% Sky Obscured)

100
100
100
96
100
93
93
92
74
97
90
67
50
61
60
64
53
73
89
91
100
100
100
100

Low Clouds (% Sky Obscured)

98
100
100
91
97
86
91
84
60
97
90
67
50
56
52
55
51
47
81
76
53
75
76
77

Medium Clouds (% Sky Obscured)

100
100
100
68
81
84
2
40
32
0
23
1
0
0
5
7
6
14
10
27
50
50
88
100

High Clouds (% Sky Obscured)

3
15
5
4
0
0
0
0
0
0
0
0
5
19
30
5
4
55
68
15
34
100
95
92

ISS Passover

Visibility (miles)

5
0
0
0
0
0
0
3
5
9
8
6
9
9
7
8
9
9
9
9
9
9
3
1

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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
86
67
51
80
55
9
19
1
12
0
0
1
6
15
34
58
46

Precipitation Amount (mm)

1
1.3
2.4
1.9
2
1.9
0.8
0.6
0.4
0
0.9
0.2
0
0
0
0
0
0
0
0
0
0
0.4
0

Wind Speed/Direction (mph)

22
22
23
24
25
23
20
18
14
14
12
9
9
13
10
9
5
6
5
3
3
5
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
96
96
96
96
94
96
96
89
93
86
93
85
77
76
77
73
73
73
73
73
76
83
98

Pressure (mb)

1007
1006
1005
1004
1004
1004
1004
1004
1004
1004
1005
1005
1006
1008
1009
1009
1010
1010
1011
1011
1010
1010
1009
1009

Ozone (du)

390
393
395
395
396
398
400
400
398
388
380
380
381
373
356
334
330
325
321
318
314
317
318
321

Thursday 8

Waning Gibbous 74%

23:28

11:10

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:48, Set: 16:48, Transit: 12:48. Moon - Rise: 23:28, Set: 11:10. Civil Dark: 17:28 - 08:08. Nautical Dark: 18:11 - 07:25. Astro Dark: 18:52 - 06:44

Total Clouds (% Sky Obscured)

100
99
98
97
96
95
94
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

78
82
85
88
90
91
93
80
69
59
63
68
72
72
73
58
65
66
63
76
88
100
99
98

Medium Clouds (% Sky Obscured)

100
99
71
96
86
10
0
8
17
30
34
43
100
98
95
92
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

89
54
39
65
19
33
29
64
85
100
80
60
33
53
77
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
3
1
2
0
0
0
0
0
7
9
9
9
9
9
7
0
0
0
0
3
2

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

Precipitation Probability (%)

41
41
39
56
60
54
61
55
44
37
32
24
17
6
1
14
17
15
49
95
95
95
95
95

Precipitation Amount (mm)

0.1
0.1
0
0.3
0.3
0
0.3
0.3
0.1
0
0
0
0
0
0
0
0
0
0
0.6
1.4
1.6
1.7
2.5

Wind Speed/Direction (mph)

9
9
11
11
12
12
11
12
12
13
13
12
9
8
6
6
7
9
10
11
11
14
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
86
81
81
96
94
96
96
98
96
98
98
91
91
89
88
94
96
98
96
98
98
96
94

Pressure (mb)

1008
1008
1007
1006
1005
1005
1005
1004
1004
1004
1004
1003
1003
1003
1003
1002
1002
1001
999
998
996
993
991
988

Ozone (du)

321
322
324
324
328
332
334
331
332
333
331
329
327
327
329
328
326
325
324
328
329
327
328
327

Friday 9

Waning Gibbous 64%

00:43

11:19

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:48, Set: 16:49, Transit: 12:48. Moon - Rise: 00:43, Set: 11:19. Civil Dark: 17:29 - 08:08. Nautical Dark: 18:12 - 07:24. Astro Dark: 18:53 - 06:43

Total Clouds (% Sky Obscured)

100
97
94
74
91
97
98
100
100
100
95
90
85
90
95
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

97
91
82
74
85
90
96
92
88
85
83
80
78
82
86
89
90
92
94
86
80
74
80
85

Medium Clouds (% Sky Obscured)

100
37
92
41
50
60
96
100
100
100
91
84
77
85
94
100
100
100
100
98
96
95
95
96

High Clouds (% Sky Obscured)

100
67
33
0
10
19
29
20
12
3
2
6
5
0
4
0
39
73
94
63
33
4
18
32

ISS Passover

Visibility (miles)

4
6
9
9
9
9
9
9
9
8
8
0
0
0
0
1
1
1
1
0
1
2
3
5

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

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

Precipitation Probability (%)

95
95
73
28
44
60
77
88
81
82
95
95
88
85
93
91
95
95
91
84
76
67
61
58

Precipitation Amount (mm)

1.2
0.5
0.3
0
0
0.3
0.5
0.7
0.5
0.4
0.9
0.9
0.7
0.7
0.9
0.8
0.9
0.7
0.7
0.6
0.4
0.4
0.3
0.3

Wind Speed/Direction (mph)

16
15
14
16
18
18
19
21
20
20
20
19
19
17
17
16
15
12
8
10
11
13
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
96
88
81
78
75
72
76
79
86
94
94
96
96
96
96
98
96
98
96
96
96
96

Pressure (mb)

986
985
984
983
981
981
979
978
978
978
978
978
979
980
981
982
983
985
986
988
989
991
992
993

Ozone (du)

330
340
349
358
363
363
364
367
381
383
383
384
386
392
393
398
395
397
400
403
403
403
402
401

Saturday 10

Third Quarter 54%

01:57

11:29

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:47, Set: 16:50, Transit: 12:49. Moon - Rise: 01:57, Set: 11:29. Civil Dark: 17:30 - 08:07. Nautical Dark: 18:14 - 07:24. Astro Dark: 18:55 - 06:43

Total Clouds (% Sky Obscured)

100
100
100
100
95
91
87
90
92
95
91
87
80
72
65
54
59
65
72
83
90
99
98
98

Low Clouds (% Sky Obscured)

88
87
87
88
85
82
80
81
84
85
83
81
78
72
65
54
59
62
68
70
76
78
76
75

Medium Clouds (% Sky Obscured)

96
88
81
73
55
34
15
19
29
40
34
22
9
6
3
0
0
0
0
14
36
68
57
47

High Clouds (% Sky Obscured)

52
33
17
5
4
2
0
0
1
1
0
0
0
0
0
0
3
6
9
34
61
87
84
83

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

57
58
59
61
59
53
47
46
41
30
32
32
30
29
26
24
23
20
19
16
14
12
12
11

Precipitation Amount (mm)

0.3
0.2
0.2
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
15
14
14
13
13
13
14
14
15
15
14
13
12
11
9
9
8
7
7
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
89
88
88
89
88
86
83
80
82
80
80
79
79
79
79
80
80
80
82
82
85

Pressure (mb)

995
996
997
998
999
1000
1002
1003
1004
1006
1007
1008
1009
1010
1011
1012
1013
1014
1014
1015
1015
1015
1015
1014

Ozone (du)

400
398
395
391
387
385
383
381
381
381
380
378
376
374
370
366
362
358
353
349
345
342
338
337

Sunday 11

Waning Crescent 45%

No Rise

11:40

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
00 Bad

Sun - Rise: 08:46, Set: 16:52, Transit: 12:49. Moon - Rise: No Rise, Set: 11:40. Civil Dark: 17:32 - 08:07. Nautical Dark: 18:15 - 07:24. Astro Dark: 18:56 - 06:43

Total Clouds (% Sky Obscured)

98
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
71
65
64
62
61
59
68
77
86
88
91
95
89
82
73
72
70
69
71
73
75

Medium Clouds (% Sky Obscured)

43
61
79
98
96
94
92
88
84
80
88
94
100
100
100
100
93
87
82
71
58
40

High Clouds (% Sky Obscured)

79
84
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
93

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
4
6
8
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
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

3
5
5
1
6
14
23
69
95
95
95
95
95
95
95
95
95
95
88
67
47
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.8
1.3
1.5
1.5
1.4
1
0.7
0.6
0.7
0.7
0.6
0.3
0
0

Wind Speed/Direction (mph)

5
6
7
8
9
11
12
14
15
16
18
17
18
19
19
19
19
18
16
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
89
89
91
89
86
86
83
81
79
77
76
76
80
85
89
91
93
93
93
93

Pressure (mb)

1014
1014
1013
1012
1011
1010
1009
1008
1006
1005
1003
1001
1000
998
997
997
996
996
996
996
996
996

Ozone (du)

336
335
331
327
323
322
321
319
319
319
319
318
316
315
313
311
309
309
309
309
315
321

Forecast for Overveen, Gemeente Bloemendaal, Netherlands (52.39,4.61)

Generated: 05/01/26 03:38:17. Forecast: 05/01/26 to 11/01/26. Timezone: UTC+1.00