Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 8%

07:03

21:04

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 OK
08 OK
09 Good
10 Good
11 Good
12 Good
13 Good
14 OK
15 Bad
16 Bad

Sun - Rise: 06:30, Set: 18:45, Transit: 12:38. Moon - Rise: 07:03, Set: 21:04. Civil Dark: 19:18 - 05:57. Nautical Dark: 19:57 - 05:18. Astro Dark: 20:38 - 04:37

Total Clouds (% Sky Obscured)

93
81
92
34
54
76
88
52
54
83
75
68
75
57
35
32
1
0
1
4
2
32
49
65

Low Clouds (% Sky Obscured)

8
31
16
26
31
33
46
52
54
77
69
45
22
0
0
0
0
0
0
4
2
32
49
65

Medium Clouds (% Sky Obscured)

0
0
0
0
2
2
2
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

70
81
42
13
35
52
74
4
16
43
35
47
63
57
35
32
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
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
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)

7
6
5
6
6
7
7
7
6
5
4
4
4
4
4
5
7
8
9
9
9
10
10
10

Chance of Frost

Temperature (°C)

13
12
10
8
8
7
7
7
6
6
5
5
4
4
4
5
7
8
10
11
12
12
11
11

Feels Like (°C)

10
9
8
6
6
4
5
5
5
5
4
4
2
1
1
2
5
7
8
9
9
9
8
7

Dew Point (°C)

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

Relative Humidity (%)

50
55
62
67
70
71
72
75
75
76
76
76
79
77
79
72
62
54
50
45
43
43
51
55

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1019
1019
1019
1018
1018
1017
1016
1016
1016

Ozone (du)

374
374
373
372
372
373
374
372
373
373
371
370
369
368
368
367
367
365
362
365
366
364
364
364

Saturday 21

Waxing Crescent 16%

07:22

22:34

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

Sun - Rise: 06:28, Set: 18:46, Transit: 12:38. Moon - Rise: 07:22, Set: 22:34. Civil Dark: 19:20 - 05:55. Nautical Dark: 19:59 - 05:15. Astro Dark: 20:40 - 04:34

Total Clouds (% Sky Obscured)

52
34
60
56
26
40
29
0
0
0
0
0
0
0
0
0
0
0
1
28
36
65
64
47

Low Clouds (% Sky Obscured)

51
33
30
8
4
12
0
0
0
0
0
0
0
0
0
0
0
0
0
28
36
16
0
0

Medium Clouds (% Sky Obscured)

1
19
30
28
17
25
21
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
18
13

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
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 (%)

1
4
1
0
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)

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

Chance of Frost

Temperature (°C)

10
10
8
8
7
7
6
6
5
5
5
4
4
3
3
5
7
9
11
13
13
14
14
14

Feels Like (°C)

7
6
6
6
4
5
5
4
3
3
3
3
3
2
2
4
6
8
10
11
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

59
60
67
69
70
67
67
66
66
68
72
75
77
77
77
71
62
53
46
40
36
34
33
34

Pressure (mb)

1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1017
1017
1016
1016
1015
1015
1014

Ozone (du)

363
364
361
363
370
375
375
374
374
375
373
376
378
380
383
387
393
399
406
415
425
430
433
431

Sunday 22

Waxing Crescent 26%

07:50

00:05

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

Sun - Rise: 06:26, Set: 18:48, Transit: 12:38. Moon - Rise: 07:50, Set: 00:05. Civil Dark: 19:21 - 05:53. Nautical Dark: 20:01 - 05:13. Astro Dark: 20:42 - 04:32

Total Clouds (% Sky Obscured)

35
33
0
0
0
0
40
28
0
24
35
95
91
100
89
55
19
15
19
23
46
71
100
99

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
0
28
0
15
23
0
0
0
0
0
0
0
0
5
15
26
37
25

Medium Clouds (% Sky Obscured)

11
10
0
0
0
0
23
0
0
0
0
0
40
22
88
50
17
2
19
4
5
44
65
70

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
8
13
80
76
100
69
32
0
15
19
23
46
71
100
99

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

Chance of Frost

Temperature (°C)

14
12
11
10
8
7
6
6
6
5
6
5
5
4
4
5
7
9
11
12
12
13
12
12

Feels Like (°C)

13
11
11
9
7
6
6
6
6
5
6
6
5
4
2
3
5
7
8
9
8
9
8
8

Dew Point (°C)

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

Relative Humidity (%)

38
45
56
61
63
62
61
62
64
63
66
68
70
73
73
70
65
59
54
49
42
43
56
64

Pressure (mb)

1014
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

422
419
418
418
420
420
416
412
407
401
400
398
392
392
393
408
412
406
398
387
381
376
376
375

Monday 23

Waxing Crescent 24%

08:30

01:32

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:23, Set: 18:50, Transit: 12:37. Moon - Rise: 08:30, Set: 01:32. Civil Dark: 19:23 - 05:50. Nautical Dark: 20:03 - 05:11. Astro Dark: 20:44 - 04:29

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

67
68
74
70
65
76
87
94
96
96
95
97
70
56
87
83
57
80
87
85
89
90
95
79

High Clouds (% Sky Obscured)

97
96
97
99
100
96
93
89
92
95
98
99
99
100
100
100
100
95
90
84
89
94
99
99

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
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)

7
7
5
4
4
3
3
2
2
3
3
4
4
4
5
6
8
9
10
11
12
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
67
67
68
68
66
69
70
68
67
66
66
68
68
70
67
62
53
49
50
50
48
49
55

Pressure (mb)

1022
1022
1023
1023
1023
1024
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1021
1021
1020
1019
1018
1017
1016

Ozone (du)

374
373
372
370
367
366
365
364
363
362
358
356
354
352
351
349
348
345
345
345
345
346
346
349

Tuesday 24

Waxing Crescent 38%

09:26

02:46

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:21, Set: 18:51, Transit: 12:37. Moon - Rise: 09:26, Set: 02:46. Civil Dark: 19:25 - 05:48. Nautical Dark: 20:04 - 05:08. Astro Dark: 20:46 - 04:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
95
92
95
98
100
100
100
100
83
67
50
65
81
100
99
98
97
95

Low Clouds (% Sky Obscured)

0
0
10
15
15
17
19
25
24
27
3
50
78
100
36
27
18
19
23
29
46
65
87
88

Medium Clouds (% Sky Obscured)

98
99
100
100
100
92
87
80
84
91
91
43
40
40
47
58
50
65
81
97
90
83
74
68

High Clouds (% Sky Obscured)

100
100
100
100
95
93
87
80
53
26
0
1
7
3
83
67
50
65
81
100
99
98
97
67

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
1
14
10
29
68
73
92
76
40
32
34
59
48
46
41
43
48
53
52
49
45
37

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.3
1
0.4
0
0
0
0.3
0.2
0
0
0
0
0.2
0.2
0
0
0

Wind Speed/Direction (mph)

13
13
14
14
15
16
16
17
16
11
8
13
10
11
14
14
15
15
15
15
15
15
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
64
66
68
72
69
67
78
81
90
85
85
79
85
79
75
71
66
63
59
56
53
51
48

Pressure (mb)

1015
1014
1014
1013
1012
1011
1010
1009
1008
1008
1007
1006
1006
1005
1004
1010
1010
1009
1008
1007
1006
1005
1004
1003

Ozone (du)

354
359
363
365
369
369
370
373
379
380
386
393
396
404
413
421
428
435
433
432
430
433
436
440

Wednesday 25

First Quarter 49%

10:40

03:42

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:19, Set: 18:53, Transit: 12:37. Moon - Rise: 10:40, Set: 03:42. Civil Dark: 19:26 - 05:46. Nautical Dark: 20:06 - 05:06. Astro Dark: 20:48 - 04:24

Total Clouds (% Sky Obscured)

93
92
94
97
100
100
100
100
99
97
96
97
97
97
98
99
100
99
98
98
91
86
80
83

Low Clouds (% Sky Obscured)

85
82
84
85
86
90
95
99
98
96
94
96
97
97
98
99
98
96
92
88
80
75
69
73

Medium Clouds (% Sky Obscured)

61
60
73
86
100
91
82
70
70
70
69
79
88
96
75
58
44
50
52
57
50
43
37
49

High Clouds (% Sky Obscured)

32
1
2
1
1
1
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

33
36
59
77
88
75
59
47
53
61
67
67
65
60
59
60
61
68
76
85
78
71
65
61

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
12
11
12
13
13
14
13
14
14
15
16
15
14
13
14
14
15
15
16
16
16
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
64
73
75
76
79
79
80
82
86
91
94
93
91
89
91
93
94
83
74
65
63
60
58

Pressure (mb)

1002
1002
1001
1001
1002
1002
1002
1002
1002
1003
1003
1004
1005
1005
1006
1006
1007
1007
1008
1008
1008
1008
1009
1009

Ozone (du)

442
444
446
449
452
455
457
459
461
462
464
465
466
468
469
466
464
461
462
463
464
465
465
466

Thursday 26

Waxing Gibbous 61%

12:03

04:20

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
12 Bad

Sun - Rise: 06:17, Set: 18:55, Transit: 12:37. Moon - Rise: 12:03, Set: 04:20. Civil Dark: 19:28 - 05:43. Nautical Dark: 20:08 - 05:03. Astro Dark: 20:50 - 04:21

Total Clouds (% Sky Obscured)

85
86
87
88
91
93
96
98
96
94
92
94
96
98
95
91
85
79
71
61

Low Clouds (% Sky Obscured)

77
81
84
86
89
87
86
86
85
83
79
79
76
76
77
77
77
76
71
61

Medium Clouds (% Sky Obscured)

64
86
80
82
81
75
70
67
63
56
50
59
77
94
90
86
82
73
68
61

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

62
67
59
50
41
30
23
16
14
15
16
24
27
29
39
52
65
78
85
94

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
13
12
11
10
9
8
8
7
8
9
9
8
8
9
10
12
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
80
94
88
80
76
76
77
80
83
86
89
88
86
83
76
68
60
53
46

Pressure (mb)

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

Ozone (du)

463
460
457
459
461
463
464
466
468
468
468
468
469
470
471
475
479
482
485
488

Forecast for Velbert, Düsseldorf District, Germany (51.34,7.04)

Generated: 20/03/26 17:08:32. Forecast: 20/03/26 to 26/03/26. Timezone: UTC+1.00