Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 4

Waning Gibbous 88%

20:58

09:10

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

Sun - Rise: 08:11, Set: 17:28, Transit: 12:49. Moon - Rise: 20:58, Set: 09:10. Civil Dark: 18:04 - 07:34. Nautical Dark: 18:45 - 06:53. Astro Dark: 19:25 - 06:14

Total Clouds (% Sky Obscured)

95
95
95
93
93
82
57
75
40
29
20
25
64
93
93
99
100
100
88
93
95
100
86
92

Low Clouds (% Sky Obscured)

94
93
63
69
63
82
57
62
31
24
17
22
40
58
64
61
68
78
79
78
78
66
63
65

Medium Clouds (% Sky Obscured)

93
79
67
62
22
2
0
0
0
0
0
0
9
85
48
63
100
100
77
84
77
65
28
24

High Clouds (% Sky Obscured)

16
15
20
20
20
1
0
0
0
0
0
0
7
45
86
99
100
76
20
52
55
98
41
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
5
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
7
2
1
3
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
7
7
7
8
9
11
11
10
11
11
12
12
12
12
14
15
14
13
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
96
96
96
93
88
85
82
81
83
88
94
96
98
96
98
94
94
94
92
92
92
92

Pressure (mb)

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

Ozone (du)

398
402
404
406
412
420
428
435
443
444
441
444
447
454
472
488
501
505
507
511
514
503
486
470

Thursday 5

Waning Gibbous 81%

22:15

09:20

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
03 Bad
04 Bad

Sun - Rise: 08:09, Set: 17:29, Transit: 12:49. Moon - Rise: 22:15, Set: 09:20. Civil Dark: 18:06 - 07:33. Nautical Dark: 18:47 - 06:52. Astro Dark: 19:26 - 06:12

Total Clouds (% Sky Obscured)

85
85
98
99
100
98
99
96
100
100
100
100
99
97
95
97
100
100
89
89
92
93
100
99

Low Clouds (% Sky Obscured)

71
81
96
96
100
70
75
52
42
50
60
71
85
87
92
95
100
95
85
86
87
88
90
87

Medium Clouds (% Sky Obscured)

16
11
10
68
30
88
82
65
74
93
100
91
97
44
47
12
39
19
17
7
14
17
45
41

High Clouds (% Sky Obscured)

21
7
39
33
24
39
75
85
100
100
100
100
46
8
14
15
8
90
0
16
8
46
97
63

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
0
0
0
0
0
0
0
0
5
2
12
10
11
9
5
16
7
1
1
0
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
91
87
87
86
83
81
80
80
81
84
89
91
91
91
91
89
91
92
92
92
92
94

Pressure (mb)

996
995
995
995
995
995
995
995
994
994
994
994
993
993
993
993
993
993
992
992
992
991
991
991

Ozone (du)

469
468
470
466
462
456
458
466
465
456
443
437
434
434
437
443
445
441
438
437
430
421
415
412

Friday 6

Waning Gibbous 72%

23:31

09:29

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
03 Bad
04 Bad

Sun - Rise: 08:07, Set: 17:31, Transit: 12:49. Moon - Rise: 23:31, Set: 09:29. Civil Dark: 18:08 - 07:31. Nautical Dark: 18:48 - 06:50. Astro Dark: 19:28 - 06:11

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
98
100
98
100
100
100
97
95
95
88
54
72
78
84
91
90

Low Clouds (% Sky Obscured)

82
68
49
54
43
42
55
56
59
63
52
82
94
93
83
91
82
79
54
72
76
80
84
82

Medium Clouds (% Sky Obscured)

33
63
66
83
100
100
100
95
96
100
95
100
93
75
75
27
53
26
0
0
5
58
61
62

High Clouds (% Sky Obscured)

100
100
100
73
100
100
100
100
59
65
70
100
42
90
30
0
0
0
2
2
4
2
1
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
4
9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

0
11
0
0
0
10
19
29
39
57
62
54
62
57
32
19
28
19
6
9
25
27
33
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.3
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
93
91
88
85
83
85
91
94
96
98
98
98
98
98
94
94
94
94
94
93

Pressure (mb)

992
991
992
992
992
992
993
993
992
992
992
993
993
993
994
995
995
996
996
996
997
997
997
998

Ozone (du)

413
414
413
412
411
412
413
412
413
411
411
411
418
418
422
424
422
419
418
420
421
418
416
415

Saturday 7

Waning Gibbous 69%

00:47

09:40

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
03 Bad
04 Bad

Sun - Rise: 08:05, Set: 17:33, Transit: 12:49. Moon - Rise: 00:47, Set: 09:40. Civil Dark: 18:09 - 07:29. Nautical Dark: 18:50 - 06:49. Astro Dark: 19:30 - 06:09

Total Clouds (% Sky Obscured)

87
86
89
92
95
95
95
83
95
94
94
91
88
85
90
95
100
97
95
93
95
94
100
100

Low Clouds (% Sky Obscured)

78
76
78
82
87
88
90
79
89
87
84
63
48
30
34
43
55
59
65
74
83
84
100
100

Medium Clouds (% Sky Obscured)

49
52
63
45
44
45
11
2
8
84
88
38
15
18
26
27
58
77
89
81
82
63
85
69

High Clouds (% Sky Obscured)

6
25
23
26
38
28
14
0
14
30
45
32
17
2
14
25
37
37
38
41
35
24
27
29

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
6
9
9
9
9
9
9
7
3
3
7
9
3
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
Light Rain
Light Rain
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

24
28
26
23
10
9
12
19
69
87
42
20
15
9
9
17
52
95
95
95
62
68
64
74

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.9
0
0
0
0
0
0
0.2
1
1.1
1.5
0
0.5
0.4
0.6

Wind Speed/Direction (mph)

8
8
9
9
8
7
8
8
9
9
5
9
7
5
4
4
5
4
5
4
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
93
91
91
90
87
82
74
87
93
88
91
94
94
96
96
98
98
96
96
94
96
93

Pressure (mb)

998
999
999
1000
1000
1001
1001
1002
1002
1002
1002
1002
1003
1003
1003
1004
1004
1005
1005
1005
1005
1006
1006
1006

Ozone (du)

416
416
418
419
420
421
423
426
422
418
418
419
416
415
413
413
411
409
407
407
408
409
408
410

Sunday 8

Waning Gibbous 63%

02:03

09:52

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
03 Bad
04 Bad

Sun - Rise: 08:04, Set: 17:35, Transit: 12:49. Moon - Rise: 02:03, Set: 09:52. Civil Dark: 18:11 - 07:28. Nautical Dark: 18:52 - 06:47. Astro Dark: 19:31 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
93
84
74
75
77
80
83
87
92
93
93
94
97
98
100
99
98
97
97

Low Clouds (% Sky Obscured)

100
100
100
100
100
87
73
57
58
63
66
71
76
82
83
86
89
93
97
100
99
97
96
96

Medium Clouds (% Sky Obscured)

87
67
80
80
64
26
19
17
22
23
25
30
30
29
26
21
26
21
15
10
9
6
3
6

High Clouds (% Sky Obscured)

34
40
29
17
5
4
4
1
1
2
4
2
4
4
19
12
7
7
7
6
15
21
25
38

ISS Passover

Visibility (miles)

3
7
5
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

Light Rain
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

Precipitation Probability (%)

92
54
42
14
9
7
4
2
1
2
1
2
12
15
16
14
9
9
10
10
9
7
1
3

Precipitation Amount (mm)

1
0.2
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)

7
7
8
9
9
9
8
8
8
7
8
7
7
7
6
4
5
5
5
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
93
93
91
90
85
85
85
84
81
82
79
84
85
88
88
90
91
93
91
90
88

Pressure (mb)

1006
1006
1007
1007
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008

Ozone (du)

409
409
411
411
411
411
409
408
406
402
400
402
405
406
404
407
409
412
420
428
436
438
441
443

Monday 9

Third Quarter 53%

03:18

10:08

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
03 Bad
04 Bad

Sun - Rise: 08:02, Set: 17:37, Transit: 12:49. Moon - Rise: 03:18, Set: 10:08. Civil Dark: 18:13 - 07:26. Nautical Dark: 18:53 - 06:45. Astro Dark: 19:33 - 06:06

Total Clouds (% Sky Obscured)

97
98
99
99
100
100
100
100
100
100
100
94
86
80
86
90
95
91
85
80
82
89
88
85

Low Clouds (% Sky Obscured)

96
97
98
99
100
88
77
65
59
56
52
50
56
52
53
48
48
43
38
19
19
23
36
54

Medium Clouds (% Sky Obscured)

7
9
14
8
10
7
8
8
14
25
32
32
38
38
28
23
23
22
26
40
41
56
56
56

High Clouds (% Sky Obscured)

49
25
29
39
61
83
91
97
98
99
100
94
86
80
86
90
95
91
85
80
82
89
88
85

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 (%)

3
0
2
2
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
86
88
88
88
79
70
63
63
63
62
67
72
79
82
83
86
89
91
94
94
94
96

Pressure (mb)

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

Ozone (du)

434
425
416
411
407
402
406
409
412
413
415
417
417
417
417
418
420
421
419
417
415
413
411
408

Tuesday 10

Waning Crescent 43%

04:29

10:30

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

Sun - Rise: 08:00, Set: 17:39, Transit: 12:49. Moon - Rise: 04:29, Set: 10:30. Civil Dark: 18:15 - 07:24. Nautical Dark: 18:55 - 06:44. Astro Dark: 19:35 - 06:04

Total Clouds (% Sky Obscured)

84
83
82
81
80
78
75
70
63
56
45
48
52
59
65
79
83
88
92
97

Low Clouds (% Sky Obscured)

61
71
76
75
79
70
54
41
44
46
45
48
52
59
61
70
80
85
90
96

Medium Clouds (% Sky Obscured)

56
46
51
45
35
26
22
18
14
8
0
0
0
0
5
8
14
22
31
45

High Clouds (% Sky Obscured)

84
83
82
81
80
75
60
45
30
15
0
0
0
0
2
3
6
9
14
31

ISS Passover

Visibility (miles)

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

Precipitation Type

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
0
0
0
0
0
0
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
94
91
89
83
79
73
74
74
74
79
85
88
91
91
94
94
94

Pressure (mb)

1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006

Ozone (du)

408
407
407
405
403
401
401
401
401
398
394
391
388
386
383
376
368
360
360
359

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

Generated: 04/02/26 05:29:17. Forecast: 04/02/26 to 10/02/26. Timezone: UTC+1.00