Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 2

Waxing Gibbous 100%

14:59

09:26

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:47, Set: 16:39, Transit: 12:43. Moon - Rise: 14:59, Set: 09:26. Civil Dark: 17:19 - 08:07. Nautical Dark: 18:03 - 07:23. Astro Dark: 18:44 - 06:42

Total Clouds (% Sky Obscured)

94
95
96
97
86
98
80
82
96
95
96
100
100
100
100
100
100
100
100
100
100
97
100
100

Low Clouds (% Sky Obscured)

75
66
60
48
36
30
47
35
23
40
20
60
43
37
53
55
42
50
76
46
37
59
47
58

Medium Clouds (% Sky Obscured)

94
95
96
96
78
88
61
63
65
57
76
100
100
100
100
100
100
100
100
100
100
68
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
4
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
1
1
9
9
8
0
6
7
9
9
7
6
9
6
4
9
9
3
9
9
9
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

Light Rain
Light Rain
Snow
None
None
None
None
None
None
None
Snow
None
None
Sleet
Snow
None
None
Sleet
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

87
95
95
34
34
42
42
34
20
31
56
39
38
77
54
45
39
58
56
51
62
66
57
47

Precipitation Amount (mm)

0.6
0.9
0.8
0
0
0
0
0
0
0
0.4
0
0
0.5
0.1
0
0
0.2
0.2
0.2
0.3
0.4
0.3
0.2

Wind Speed/Direction (mph)

16
15
16
16
13
11
13
11
13
10
10
12
11
10
16
11
15
16
13
10
10
13
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
77
74
86
73
74
94
73
73
72
66
68
76
77
84
86
70
73
88
93
81
78
80
74

Pressure (mb)

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

Ozone (du)

395
399
410
413
408
398
395
398
400
397
387
375
367
360
356
355
361
362
365
377
385
394
392
396

Saturday 3

Full Moon 99%

16:20

10:03

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

Sun - Rise: 08:47, Set: 16:40, Transit: 12:44. Moon - Rise: 16:20, Set: 10:03. Civil Dark: 17:20 - 08:07. Nautical Dark: 18:04 - 07:23. Astro Dark: 18:45 - 06:42

Total Clouds (% Sky Obscured)

95
97
74
60
48
65
61
70
25
46
50
45
72
100
100
100
100
100
100
100
100
71
49
79

Low Clouds (% Sky Obscured)

51
23
23
43
27
29
29
70
22
25
46
9
4
18
49
59
61
46
40
53
38
33
10
39

Medium Clouds (% Sky Obscured)

90
96
58
51
37
50
49
39
3
30
35
43
72
100
100
100
100
100
100
100
100
67
49
78

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
9
7
9
9
9
9
8
9
9
3
9
9
3
7
4
2
8
9
7
7
9
9
8

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
Snow
None
Snow
Snow
None
None
None

Precipitation Probability (%)

33
28
30
5
6
7
15
13
30
27
30
16
33
31
47
57
51
57
41
52
45
38
49
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.1
0.2
0
0.3
0.1
0
0
0

Wind Speed/Direction (mph)

10
11
13
13
10
11
13
10
8
9
7
6
9
8
6
6
9
9
7
6
8
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
70
67
58
64
65
77
80
80
81
88
83
78
87
89
89
84
80
81
87
80
80
77
76

Pressure (mb)

1000
1001
1001
1002
1002
1003
1003
1004
1004
1005
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008

Ozone (du)

397
401
403
404
404
404
400
396
395
396
401
407
410
410
410
410
408
410
409
404
399
395
391
384

Sunday 4

Waning Gibbous 96%

17:51

10:27

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:47, Set: 16:41, Transit: 12:44. Moon - Rise: 17:51, Set: 10:27. Civil Dark: 17:21 - 08:07. Nautical Dark: 18:05 - 07:23. Astro Dark: 18:46 - 06:42

Total Clouds (% Sky Obscured)

100
98
100
100
100
97
96
86
73
35
49
38
80
90
100
100
100
93
100
94
88
64
67
73

Low Clouds (% Sky Obscured)

46
47
64
74
54
90
57
52
73
35
46
30
45
58
51
57
51
59
51
40
38
35
37
38

Medium Clouds (% Sky Obscured)

100
97
100
100
100
82
90
74
35
35
40
38
80
84
100
100
100
89
100
94
88
40
41
42

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)

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

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

Precipitation Probability (%)

64
52
59
63
68
66
67
59
52
46
47
48
49
47
58
59
58
52
48
37
30
29
29
24

Precipitation Amount (mm)

0.4
0.2
0.3
0.4
0.4
0.4
0.4
0.2
0.2
0.1
0.1
0.1
0.2
0.1
0.3
0.4
0.4
0.3
0.3
0.1
0
0
0
0

Wind Speed/Direction (mph)

9
14
9
12
11
11
10
10
11
11
10
10
10
10
10
9
9
9
8
8
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
76
67
70
70
73
77
77
77
78
78
78
77
78
77
80
77
78
80
84
83
84
86

Pressure (mb)

1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011

Ozone (du)

383
384
386
383
382
386
386
391
393
394
394
397
398
398
395
399
408
412
414
416
413
408
403
403

Monday 5

Waning Gibbous 91%

19:22

10:44

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:46, Set: 16:42, Transit: 12:44. Moon - Rise: 19:22, Set: 10:44. Civil Dark: 17:22 - 08:06. Nautical Dark: 18:06 - 07:23. Astro Dark: 18:47 - 06:42

Total Clouds (% Sky Obscured)

72
82
98
100
99
99
98
96
95
93
95
97
86
91
81
81
81
81
86
77
67
67
55
52

Low Clouds (% Sky Obscured)

39
42
47
55
59
63
65
69
78
87
90
95
86
91
81
81
81
81
86
77
67
67
55
52

Medium Clouds (% Sky Obscured)

47
45
88
100
99
98
97
89
77
68
65
58
1
2
0
0
0
0
0
0
0
1
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
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
1
0
0
1
1
0
0
1
6
9
9
9
9
9
9
7
7
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
28
50
90
95
75
59
80
69
40
14
17
2
1
0
0
0
0
0
0
0
1
3
6

Precipitation Amount (mm)

0
0
0.2
1.3
1.4
0.8
0.5
1
0.7
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
7
6
6
6
7
6
5
3
2
4
7
7
6
5
4
3
3
3
3
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
81
78
89
96
98
91
89
94
98
98
94
89
89
89
91
92
94
92
94
94
92
89
84

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

404
409
413
416
411
407
410
410
410
413
418
422
424
424
419
415
412
410
409
407
396
391
388
388

Tuesday 6

Waning Gibbous 83%

20:48

10:57

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

Sun - Rise: 08:46, Set: 16:43, Transit: 12:45. Moon - Rise: 20:48, Set: 10:57. Civil Dark: 17:24 - 08:06. Nautical Dark: 18:07 - 07:23. Astro Dark: 18:48 - 06:42

Total Clouds (% Sky Obscured)

82
85
75
46
46
50
55
51
44
52
30
30
32
29
30
26
41
56
78
55
29
5
17
21

Low Clouds (% Sky Obscured)

79
80
72
46
46
50
55
51
44
37
28
20
13
13
12
9
9
4
5
5
0
0
8
16

Medium Clouds (% Sky Obscured)

0
6
3
1
1
0
0
0
2
33
4
20
32
29
30
26
41
56
78
55
29
5
17
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0
0
0
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

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 (%)

15
2
2
1
0
1
0
0
0
0
0
0
0
0
0
0
5
10
15
25
31
38
37
35

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
83
84
89
92
92
91
91
89
86
85
85
84
84
84
82
86
89
92
92
94
94
91

Pressure (mb)

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

Ozone (du)

389
388
388
387
388
390
393
395
396
392
391
395
399
401
404
406
409
410
411
412
412
412
413
407

Wednesday 7

Waning Gibbous 74%

22:09

11:07

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

Sun - Rise: 08:45, Set: 16:45, Transit: 12:45. Moon - Rise: 22:09, Set: 11:07. Civil Dark: 17:25 - 08:05. Nautical Dark: 18:08 - 07:22. Astro Dark: 18:49 - 06:41

Total Clouds (% Sky Obscured)

32
36
46
55
53
51
49
47
45
43
29
22
11
12
18
33
54
64
69
65
64
50
54
59

Low Clouds (% Sky Obscured)

26
36
38
31
31
31
31
37
41
39
28
18
11
12
12
19
30
42
53
45
38
30
41
56

Medium Clouds (% Sky Obscured)

32
34
33
36
31
24
19
28
41
43
29
22
11
12
18
33
54
64
69
65
64
50
54
55

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
5
10
7
3
0
0
0
0
1
1
2
3
4
5
5
5

ISS Passover

Visibility (miles)

4
6
7
8
9
9
9
9
8
7
6
7
8
9
6
3
0
0
0
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
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

31
33
35
37
33
28
20
19
21
24
22
17
4
15
24
31
35
42
50
68
88
95
95
95

Precipitation Amount (mm)

0
0
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.3
0.4
0.5
1
1.2
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-3
-3
-2
-2
-3
-3
-5
-5
-6
-5
-6
-5
-6
-7
-8
-8
-8
-7
-8
-8
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

86
83
84
88
89
91
89
89
92
94
98
96
92
91
92
94
96
98
98
98
96
98
96
98

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1008
1008
1008

Ozone (du)

401
395
396
397
398
398
398
398
397
397
397
395
392
389
387
384
381
378
376
373
363
352
342
339

Thursday 8

Waning Gibbous 64%

23:26

11:17

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

Sun - Rise: 08:45, Set: 16:46, Transit: 12:46. Moon - Rise: 23:26, Set: 11:17. Civil Dark: 17:26 - 08:05. Nautical Dark: 18:09 - 07:22. Astro Dark: 18:50 - 06:41

Total Clouds (% Sky Obscured)

69
70
75
79
72
63
54
50
46
46
56
63
69
64
61
57
62
68
76

Low Clouds (% Sky Obscured)

66
68
72
71
62
50
39
41
46
46
56
61
60
50
43
37
41
45
53

Medium Clouds (% Sky Obscured)

50
47
42
37
33
25
12
8
3
0
4
9
13
24
34
45
53
61
69

High Clouds (% Sky Obscured)

5
4
4
3
5
3
1
1
1
0
8
18
28
48
61
57
62
68
76

ISS Passover

Visibility (miles)

0
0
0
0
0
3
6
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

Precipitation Type

Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
80
53
40
26
6
8
7
1
5
12
14
17
18
16
17
14
3

Precipitation Amount (mm)

1.4
0.8
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-4
-2
-2
-1
-1
-1
-4
-4
-4
-4
-3
-3
-4
-4
-4
-4
-5

Dew Point (°C)

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

Relative Humidity (%)

98
100
100
98
98
98
96
96
94
92
92
91
92
92
91
92
91
92
94

Pressure (mb)

1008
1007
1007
1007
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008

Ozone (du)

337
335
336
337
338
342
345
348
346
344
342
341
340
340
338
336
335
332
329

Forecast for Kerkelanden, Gemeente Hilversum, Netherlands (52.22,5.15)

Generated: 02/01/26 12:13:48. Forecast: 02/01/26 to 08/01/26. Timezone: UTC+1.00