Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 2

Waning Gibbous 98%

18:19

09:04

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

Sun - Rise: 08:18, Set: 17:30, Transit: 12:55. Moon - Rise: 18:19, Set: 09:04. Civil Dark: 18:07 - 07:41. Nautical Dark: 18:48 - 07:01. Astro Dark: 19:27 - 06:21

Total Clouds (% Sky Obscured)

96
92
92
92
88
64
31
31
23
17
16
10
26
35
37
35
37
42
41
79
85
85
85
58

Low Clouds (% Sky Obscured)

73
64
79
86
63
60
28
27
19
13
11
5
22
35
37
35
37
42
41
43
45
47
47
52

Medium Clouds (% Sky Obscured)

11
13
6
14
30
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
48
61
65
67
32

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
14
0
9
0
0
0
0
1
10
1
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)

15
14
14
13
14
15
15
15
14
16
17
16
16
17
16
16
16
16
17
17
18
18
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
89
86
86
85
83
83
88
89
86
88
87
89
89
89
87
87
87
86
84
84
84

Pressure (mb)

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

Ozone (du)

397
394
395
394
397
395
393
391
387
385
383
383
385
385
384
381
380
379
377
377
378
378
377
377

Tuesday 3

Waning Gibbous 94%

19:44

09:04

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
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:16, Set: 17:32, Transit: 12:55. Moon - Rise: 19:44, Set: 09:04. Civil Dark: 18:08 - 07:40. Nautical Dark: 18:49 - 06:59. Astro Dark: 19:29 - 06:19

Total Clouds (% Sky Obscured)

74
92
98
95
99
95
94
93
95
97
99
100
100
99
100
100
99
100
100
100
96
96
97
96

Low Clouds (% Sky Obscured)

67
78
74
58
90
77
64
81
73
70
65
77
87
67
72
93
99
100
100
100
92
89
91
89

Medium Clouds (% Sky Obscured)

0
8
41
52
99
85
88
55
84
84
89
81
68
65
68
62
67
68
68
96
74
56
59
53

High Clouds (% Sky Obscured)

43
39
50
55
13
10
0
0
0
0
0
0
1
1
1
1
1
1
3
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
4
9
28
45
49
43
21
12
6
8
32
48
40
38
24
34
42
47
54
56
51
48
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
17
18
18
18
17
17
16
17
16
17
16
16
16
15
14
14
13
13
13
12
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
76
72
69
65
66
70
76
74
76
78
81
88
91
93
94
94
94
93
94
94
96
98
96

Pressure (mb)

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

Ozone (du)

377
376
374
376
377
376
374
373
373
373
374
374
375
375
377
380
382
383
384
382
381
381
379
381

Wednesday 4

Waning Gibbous 88%

21:04

09:16

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
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:14, Set: 17:34, Transit: 12:55. Moon - Rise: 21:04, Set: 09:16. Civil Dark: 18:10 - 07:38. Nautical Dark: 18:51 - 06:58. Astro Dark: 19:31 - 06:18

Total Clouds (% Sky Obscured)

100
97
95
92
88
70
99
94
96
100
100
100
83
80
64
37
42
51
50
49
49
48
57
69

Low Clouds (% Sky Obscured)

86
88
82
77
42
56
40
30
22
35
42
27
22
37
48
37
42
40
36
36
35
34
47
59

Medium Clouds (% Sky Obscured)

72
62
53
54
52
26
58
45
41
44
43
53
44
45
28
0
0
2
50
49
49
48
57
64

High Clouds (% Sky Obscured)

0
0
0
0
0
0
4
56
51
50
45
28
13
13
3
0
20
51
50
49
49
48
57
50

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

Very Light Rain
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 (%)

56
37
14
3
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
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
9
9
8
8
8
7
7
8
9
10
10
10
10
10
10
10
11
11
12
12
13
13
14

Chance of Frost

Temperature (°C)

5
5
6
6
8
8
9
8
7
6
5
5
4
3
3
3
2
2
1
1
1
0
0
-0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
96
85
84
84
88
90
93
91
94
93
94
93
93
93
93
93
91
91
88
86
84

Pressure (mb)

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

Ozone (du)

384
386
390
403
421
433
439
443
445
454
463
469
473
474
468
461
454
451
453
453
453
451
449
446

Thursday 5

Waning Gibbous 81%

22:22

09:26

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
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:13, Set: 17:36, Transit: 12:55. Moon - Rise: 22:22, Set: 09:26. Civil Dark: 18:12 - 07:36. Nautical Dark: 18:53 - 06:56. Astro Dark: 19:32 - 06:16

Total Clouds (% Sky Obscured)

81
75
69
61
59
57
55
60
65
68
68
70
72
75
78
83
88
94
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
60
53
46
45
43
43
49
55
67
68
68
70
73
77
81
79
77
76
75
73
72
77
83

Medium Clouds (% Sky Obscured)

73
75
69
61
59
57
55
55
50
50
50
45
50
50
55
4
19
33
47
45
49
57
62
65

High Clouds (% Sky Obscured)

30
30
30
25
15
15
5
0
0
0
0
1
1
2
3
4
36
68
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
0
0
6
7
2
2
4
8
8
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
4
17
44
47
11
15
5
19
6
17
6
7
3
5
3
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
15
16
16
16
16
16
17
16
16
16
16
16
16
16
16
16
16
15
15
15
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-7
-7
-6
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

83
81
80
78
75
74
78
78
81
83
87
94
92
89
89
91
91
89
89
89
89
91
89
89

Pressure (mb)

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

Ozone (du)

443
438
436
438
447
448
436
422
420
416
411
414
418
417
415
412
412
411
408
405
403
404
404
403

Friday 6

Waning Gibbous 72%

23:37

09:36

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
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:11, Set: 17:38, Transit: 12:55. Moon - Rise: 23:37, Set: 09:36. Civil Dark: 18:14 - 07:35. Nautical Dark: 18:54 - 06:54. Astro Dark: 19:34 - 06:15

Total Clouds (% Sky Obscured)

100
100
98
100
93
91
90
90
88
86
79
68
57
58
61
63
66
70
73
80
87
94
94
95

Low Clouds (% Sky Obscured)

89
79
69
61
50
41
35
47
56
66
74
61
48
55
60
63
63
63
66
73
79
87
88
90

Medium Clouds (% Sky Obscured)

70
75
75
75
75
62
53
45
45
40
3
1
2
2
2
0
6
13
17
16
18
19
15
9

High Clouds (% Sky Obscured)

100
100
98
100
67
32
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
2
4

ISS Passover

Visibility (miles)

8
8
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
4
1
0
1
1
1
6
10
15
39
29
9
10
8
3
7
11
12
15
19
25
23
19

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

402
399
397
398
398
400
401
402
400
400
402
403
404
406
404
402
399
397
395
393
395
397
398
403

Saturday 7

Waning Gibbous 63%

00:53

09:46

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
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:09, Set: 17:39, Transit: 12:55. Moon - Rise: 00:53, Set: 09:46. Civil Dark: 18:16 - 07:33. Nautical Dark: 18:56 - 06:53. Astro Dark: 19:35 - 06:13

Total Clouds (% Sky Obscured)

95
94
94
93
94
94
92
79
65
48
65
83
100
98
97
95
93
93
90
95
97
100
100
100

Low Clouds (% Sky Obscured)

92
90
88
86
87
88
88
78
65
48
50
42
41
54
68
78
80
84
88
90
91
93
94
95

Medium Clouds (% Sky Obscured)

6
9
17
27
28
24
20
15
8
2
15
28
40
44
59
73
77
83
75
78
84
85
81
76

High Clouds (% Sky Obscured)

6
5
4
2
1
1
0
0
0
0
33
67
95
90
90
80
67
50
40
63
79
100
67
33

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

14
9
11
21
16
13
7
11
10
9
9
6
4
17
22
23
29
36
32
29
31
44
54
61

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
0.3
0.3

Wind Speed/Direction (mph)

12
11
11
11
11
10
10
9
8
7
7
7
6
6
6
6
6
6
6
5
5
5
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
84
83
82
82
82
82
85
86
89
89
91
91
93
93
93
94
93
93
93
93
93
89

Pressure (mb)

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

Ozone (du)

407
411
412
413
414
413
413
413
412
412
412
412
412
412
410
409
407
407
407
406
406
406
405
407

Sunday 8

Waning Gibbous 53%

02:08

09:59

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: 08:07, Set: 17:41, Transit: 12:55. Moon - Rise: 02:08, Set: 09:59. Civil Dark: 18:17 - 07:31. Nautical Dark: 18:58 - 06:51. Astro Dark: 19:37 - 06:12

Total Clouds (% Sky Obscured)

100
98
96
93
91
89
84
78
72
64
61
60
59
72
84
97

Low Clouds (% Sky Obscured)

96
89
82
75
65
54
42
44
47
51
50
49
47
49
50
52

Medium Clouds (% Sky Obscured)

73
54
38
22
31
38
45
32
17
2
2
2
2
11
21
27

High Clouds (% Sky Obscured)

1
2
7
10
15
10
10
4
3
2
1
1
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

63
57
50
32
31
25
4
8
10
9
13
13
7
12
12
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
3
3
4
3
3
3
3
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
83
80
77
77
77
79
80
83
85
86
86
86
84
83

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1003

Ozone (du)

409
411
411
411
411
409
407
405
403
401
399
406
412
419
421
422

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

Generated: 02/02/26 09:30:01. Forecast: 02/02/26 to 08/02/26. Timezone: UTC+1.00