Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 3

Full Moon 99%

16:14

09:24

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
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: 16:35, Transit: 12:40. Moon - Rise: 16:14, Set: 09:24. Civil Dark: 17:15 - 08:04. Nautical Dark: 17:59 - 07:20. Astro Dark: 18:41 - 06:39

Total Clouds (% Sky Obscured)

100
100
100
100
98
100
96
90
33
79
90
90
100
81
90
95
98
100
100
100
84
88
61
68

Low Clouds (% Sky Obscured)

72
73
72
80
37
39
62
32
2
26
22
29
63
31
59
66
28
24
28
44
55
43
8
38

Medium Clouds (% Sky Obscured)

100
100
100
100
96
100
95
83
23
79
80
76
100
53
87
89
95
100
100
100
82
88
61
67

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

3
0
6
8
9
7
6
7
9
9
9
9
1
9
2
6
7
6
9
4
6
7
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
Snow
Snow
None
None
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

55
85
73
41
32
50
49
10
2
0
1
14
26
28
26
25
25
19
21
23
19
17
19
25

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
13
13
12
12
11
10
12
9
7
11
9
12
10
11
9
11
10
7
7
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
84
77
77
74
74
76
77
63
67
74
88
94
88
78
84
87
91
92
94
94
92

Pressure (mb)

998
998
998
999
999
999
999
1000
1001
1001
1002
1002
1003
1003
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

382
387
390
385
384
387
393
396
397
398
394
394
395
398
402
402
400
404
406
404
399
399
391
378

Sunday 4

Waning Gibbous 96%

17:45

10:01

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:45, Set: 16:36, Transit: 12:40. Moon - Rise: 17:45, Set: 10:01. Civil Dark: 17:16 - 08:04. Nautical Dark: 18:00 - 07:20. Astro Dark: 18:42 - 06:39

Total Clouds (% Sky Obscured)

78
74
71
75
84
83
85
87
88
81
92
82
86
84
89
78
71
64
66
90
81
79
55
75

Low Clouds (% Sky Obscured)

22
31
30
42
43
45
40
40
67
65
30
34
28
35
51
61
49
43
63
68
69
51
30
37

Medium Clouds (% Sky Obscured)

74
67
61
59
64
55
68
76
78
73
87
72
74
63
78
78
71
64
66
89
78
76
24
58

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)

8
7
9
6
6
8
9
9
3
6
9
9
9
9
6
7
9
8
7
9
7
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
Snow
None
None
Snow
Snow
Snow
None
None
None
None

Precipitation Probability (%)

24
19
23
25
20
16
22
32
30
25
27
24
21
28
38
34
31
35
41
33
29
11
7
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
81
86
91
89
89
89
85
83
91
84
84
84
84
83
84
83
81
83
83
86
86
86
87

Pressure (mb)

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

Ozone (du)

375
375
375
384
378
380
385
382
385
384
384
390
390
388
386
387
387
387
398
400
400
407
406
400

Monday 5

Waning Gibbous 91%

19:17

10:25

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 OK
00 OK
01 OK
02 OK
03 OK
04 Good
05 Good
06 OK

Sun - Rise: 08:45, Set: 16:37, Transit: 12:41. Moon - Rise: 19:17, Set: 10:25. Civil Dark: 17:18 - 08:04. Nautical Dark: 18:01 - 07:20. Astro Dark: 18:43 - 06:39

Total Clouds (% Sky Obscured)

67
78
66
57
62
61
76
85
78
88
87
100
97
88
86
72
42
16
16
13
13
5
5
5

Low Clouds (% Sky Obscured)

52
42
35
43
40
47
63
66
66
82
81
86
72
68
79
71
42
16
16
13
10
4
3
3

Medium Clouds (% Sky Obscured)

57
55
38
18
41
26
35
44
23
21
14
77
91
71
24
2
1
0
0
0
0
0
0
2

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

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 (%)

14
10
5
1
3
13
33
31
24
25
15
17
21
1
1
3
1
1
2
0
0
0
2
2

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
9
9
9
9
7
6
6
4
4
3
1
1
3
3
2
2
1
2
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
94
94
92
92
87
88
93
94
96
94
92
94
96
96
94
94
96
96
96
96
96
96
98

Pressure (mb)

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

Ozone (du)

394
389
390
393
393
395
400
400
401
401
400
402
401
404
401
407
405
404
406
405
403
407
406
412

Tuesday 6

Waning Gibbous 83%

20:44

10:41

07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 Bad
15 Bad
16 Good
17 OK
18 OK
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: 08:44, Set: 16:38, Transit: 12:41. Moon - Rise: 20:44, Set: 10:41. Civil Dark: 17:19 - 08:04. Nautical Dark: 18:03 - 07:20. Astro Dark: 18:44 - 06:38

Total Clouds (% Sky Obscured)

5
7
24
5
23
25
9
20
25
11
19
28
56
70
87
91
100
100
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

2
1
2
1
2
21
2
20
21
1
4
2
20
1
3
1
20
20
32
42
58
65
69
73

Medium Clouds (% Sky Obscured)

2
7
24
5
23
25
9
20
25
6
4
6
13
19
30
30
35
40
40
40
40
40
42
43

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
9
9
9
9
9
9
9
5
9
9
9
9
9
9
9
3
1
6
9
9
6
1
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
None
None
None
None
Snow
Snow
None
None
None
None
None
None
None
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

6
17
3
5
7
10
30
40
30
4
2
16
14
1
2
28
44
25
12
14
19
15
25
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
6
7
8
8
9
10
11
9
9
8
8
10
10
9
13
14
11
11
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
91
89
84
83
84
84
81
77
81
81
77
77
83
77
89
96
92
89
87
92
94
94

Pressure (mb)

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

Ozone (du)

415
417
412
397
390
388
387
388
391
395
396
399
401
406
412
414
414
414
415
418
421
421
419
418

Wednesday 7

Waning Gibbous 74%

22:05

10:53

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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: 08:44, Set: 16:40, Transit: 12:42. Moon - Rise: 22:05, Set: 10:53. Civil Dark: 17:20 - 08:03. Nautical Dark: 18:04 - 07:20. Astro Dark: 18:45 - 06:38

Total Clouds (% Sky Obscured)

99
95
94
95
98
97
79
79
79
68
52
37
93
95
97
91
86
80
75
70
69
73
78
83

Low Clouds (% Sky Obscured)

69
62
55
50
44
35
16
8
1
1
1
1
71
73
77
80
73
69
58
52
50
43
41
41

Medium Clouds (% Sky Obscured)

46
40
38
44
48
55
66
68
67
58
41
27
50
51
71
58
44
28
28
34
44
47
52
57

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)

1
4
4
4
5
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

15
16
4
4
4
1
0
0
0
0
0
0
34
49
62
55
46
32
27
20
4
9
12
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
11
11
11
10
10
9
7
6
5
4
3
2
3
4
6
7
8
9
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
92
89
89
87
90
92
92
92
92
90
90
89
90
89
89
91
91
89
89

Pressure (mb)

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

Ozone (du)

416
417
417
417
416
417
421
424
427
427
426
429
429
426
422
419
416
414
411
412
413
413
410
407

Thursday 8

Waning Gibbous 64%

23:22

11:04

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:43, Set: 16:41, Transit: 12:42. Moon - Rise: 23:22, Set: 11:04. Civil Dark: 17:21 - 08:03. Nautical Dark: 18:05 - 07:19. Astro Dark: 18:46 - 06:38

Total Clouds (% Sky Obscured)

82
83
86
86
85
85
76
68
64
73
76
75
66
61
47
52
61
71
79
87
100
100
100
100

Low Clouds (% Sky Obscured)

47
55
60
60
58
56
43
34
25
22
21
18
22
28
33
42
49
55
45
35
24
30
34
31

Medium Clouds (% Sky Obscured)

58
67
59
52
42
33
52
64
64
70
65
65
65
59
47
47
42
32
51
69
91
94
97
100

High Clouds (% Sky Obscured)

0
0
0
8
14
14
16
13
10
10
9
9
7
5
4
6
8
10
28
47
66
77
89
100

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
7
4

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 (%)

19
19
16
16
17
21
21
18
7
5
1
0
0
0
0
2
4
2
3
4
0
4
8
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)

9
9
10
12
12
12
11
11
11
11
11
11
11
11
11
11
11
12
12
12
13
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-6
-7
-7
-7
-6
-7
-4
-4
-4
-4
-5
-5
-7
-7
-7
-7
-7
-7
-9
-9
-10
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

87
86
86
84
84
84
84
86
88
89
89
91
91
91
89
89
86
83
79
75
69
65
63
61

Pressure (mb)

1012
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1012
1011
1010
1009
1007
1005

Ozone (du)

404
397
390
382
379
376
373
360
348
335
334
334
333
330
327
323
324
325
326
325
325
324
323
321

Friday 9

Waning Gibbous 55%

00:37

11:13

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: 08:43, Set: 16:42, Transit: 12:42. Moon - Rise: 00:37, Set: 11:13. Civil Dark: 17:23 - 08:02. Nautical Dark: 18:06 - 07:19. Astro Dark: 18:47 - 06:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

23
24
15
15
29
38
44
49
51
58
59
63
61
53
44
36
27
17

Medium Clouds (% Sky Obscured)

100
100
100
98
97
95
96
98
100
100
100
100
91
85
74
69
65
56

High Clouds (% Sky Obscured)

83
66
46
64
82
100
100
100
100
100
100
100
98
96
90
84
78
57

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

35
53
71
84
88
86
68
50
33
32
34
36
36
31
16
14
15
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
16
16
17
17
17
17
17
19
19
19
19
18
18
18
17
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-10
-10
-11
-11
-11
-11
-9
-8
-8
-8
-8
-8
-8
-8
-7
-8
-7

Dew Point (°C)

-9
-7
-5
-3
-2
-1
-1
-1
-0
-1
-0
-0
0
-0
0
0
-0
-1

Relative Humidity (%)

58
67
79
92
92
92
91
91
94
94
96
96
98
94
93
91
88
86

Pressure (mb)

1004
1002
1001
1000
999
998
998
997
997
996
996
996
996
996
996
995
995
995

Ozone (du)

319
321
322
323
325
327
329
333
337
341
344
347
350
360
370
380
382
384

Forecast for Frankhuis, Gemeente Zwolle, Netherlands (52.52,6.08)

Generated: 03/01/26 07:49:55. Forecast: 03/01/26 to 09/01/26. Timezone: UTC+1.00