Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 21

Waxing Crescent 16%

07:25

No Set

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

Sun - Rise: 06:28, Set: 18:47, Transit: 12:37. Moon - Rise: 07:25, Set: No Set. Civil Dark: 19:20 - 05:55. Nautical Dark: 19:59 - 05:16. Astro Dark: 20:39 - 04:35

Total Clouds (% Sky Obscured)

82
83
83
31
8
31
23
22
18
25
30
30
24
21
9
12
22
31
32
41
1
7
8
1

Low Clouds (% Sky Obscured)

29
50
4
31
0
18
23
22
18
25
30
30
24
21
9
12
22
31
0
22
0
0
0
0

Medium Clouds (% Sky Obscured)

48
52
27
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
15
0
3
2
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
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)

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

Chance of Frost

Temperature (°C)

8
7
5
5
4
4
5
4
3
5
7
9
10
12
13
14
14
14
14
12
10
9
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
75
78
79
83
77
72
80
85
76
67
58
50
45
42
38
36
35
41
48
54
57
61
65

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1014
1014
1014
1015

Ozone (du)

390
389
393
401
410
418
429
436
436
436
428
422
419
416
408
403
403
405
407
411
414
414
411
412

Sunday 22

Waxing Crescent 26%

07:53

00:00

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

Sun - Rise: 06:25, Set: 18:49, Transit: 12:37. Moon - Rise: 07:53, Set: 00:00. Civil Dark: 19:22 - 05:53. Nautical Dark: 20:01 - 05:14. Astro Dark: 20:41 - 04:33

Total Clouds (% Sky Obscured)

1
1
1
2
4
17
22
88
43
54
38
24
16
20
20
44
45
81
90
87
100
100
95
89

Low Clouds (% Sky Obscured)

0
0
0
0
0
17
19
0
0
0
8
7
15
0
0
0
0
7
24
11
15
13
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
17
38
5
3
0
0
0
2
75
90
71
11
37
19
13

High Clouds (% Sky Obscured)

0
0
0
0
2
2
8
86
43
25
25
24
2
20
20
44
45
78
81
82
100
100
92
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 (%)

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)

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

Chance of Frost

Temperature (°C)

6
5
4
3
3
2
2
1
2
4
7
9
11
12
14
14
14
14
13
12
10
9
8
7

Feels Like (°C)

5
5
5
3
3
2
3
1
-0
2
4
6
8
11
11
11
11
11
11
10
7
6
6
5

Dew Point (°C)

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

Relative Humidity (%)

70
71
72
73
73
76
76
77
74
71
66
61
56
50
49
46
45
45
49
56
61
67
71
74

Pressure (mb)

1015
1015
1016
1016
1016
1016
1017
1017
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1021
1021
1022
1022

Ozone (du)

412
414
414
413
411
410
406
394
389
385
397
402
402
401
399
393
385
377
373
368
364
361
359
359

Monday 23

Waxing Crescent 38%

08:34

01:26

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:23, Set: 18:51, Transit: 12:37. Moon - Rise: 08:34, Set: 01:26. Civil Dark: 19:23 - 05:50. Nautical Dark: 20:02 - 05:11. Astro Dark: 20:43 - 04:30

Total Clouds (% Sky Obscured)

76
61
76
86
98
92
99
97
88
83
82
88
84
88
78
100
100
100
96
100
100
100
95
91

Low Clouds (% Sky Obscured)

0
0
21
29
39
37
40
34
0
0
0
0
0
0
0
0
15
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

21
31
15
30
68
72
90
81
88
79
72
74
78
88
77
92
98
92
96
77
32
37
40
32

High Clouds (% Sky Obscured)

60
44
53
56
91
68
96
83
44
58
44
51
41
60
53
100
98
100
89
100
100
100
86
86

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
1
4
1
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)

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

Chance of Frost

Temperature (°C)

6
5
5
4
3
3
3
3
3
5
9
11
13
15
16
16
16
16
16
15
13
12
11
10

Feels Like (°C)

5
3
3
2
2
1
1
1
1
3
7
9
11
12
12
13
12
13
13
11
10
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

76
79
82
85
85
85
83
82
82
76
68
60
52
44
41
41
41
47
51
57
63
67
73
71

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1020
1019
1018
1017
1017
1016
1016
1016
1015
1015
1014

Ozone (du)

359
356
355
354
353
352
351
350
349
349
348
347
346
345
345
345
344
344
345
345
347
350
353
360

Tuesday 24

Waxing Crescent 49%

09:31

02:40

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:21, Set: 18:52, Transit: 12:36. Moon - Rise: 09:31, Set: 02:40. Civil Dark: 19:25 - 05:48. Nautical Dark: 20:04 - 05:09. Astro Dark: 20:45 - 04:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
87
75
64
75
87
100
97
93
90
75
61
47
56

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
33
67
100
83
66
49
46
43
41
44
48
51
46
41
36
45

Medium Clouds (% Sky Obscured)

96
96
96
98
100
100
100
95
48
97
100
87
75
64
75
52
98
97
93
90
73
61
32
35

High Clouds (% Sky Obscured)

95
100
94
90
90
60
32
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
5
2
9
5
7
5
6
1
9
1
0
1
1
4
4
5
2
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
Very Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
2
9
17
79
95
88
57
75
81
90
95
90
77
95
78
72
68
69
64
50
47
33
11

Precipitation Amount (mm)

0
0
0
0
0.3
1
0.5
0
0.5
0.6
0.5
0.6
0.4
0.4
1
0.4
0.4
0.3
0.4
0.4
0.2
0.2
0
0

Wind Speed/Direction (mph)

9
10
11
12
12
13
14
11
10
13
12
11
14
13
17
17
15
16
14
14
13
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
71
69
69
80
88
84
84
79
88
82
78
78
91
91
85
78
76
78
82
83
83
86

Pressure (mb)

1013
1012
1010
1009
1008
1007
1006
1006
1005
1006
1006
1006
1006
1006
1006
1007
1007
1007
1008
1009
1010
1010
1011
1012

Ozone (du)

364
365
370
374
380
385
391
402
415
425
426
424
428
433
437
439
439
442
442
444
445
444
445
447

Wednesday 25

First Quarter 61%

10:44

03:36

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:19, Set: 18:54, Transit: 12:36. Moon - Rise: 10:44, Set: 03:36. Civil Dark: 19:27 - 05:46. Nautical Dark: 20:06 - 05:06. Astro Dark: 20:47 - 04:25

Total Clouds (% Sky Obscured)

65
74
71
71
74
83
92
99
96
93
90
95
97
98
93
87
83
82
82
82
82
85
89
90

Low Clouds (% Sky Obscured)

56
64
65
68
70
82
92
95
92
86
80
77
74
70
66
63
59
65
69
76
76
75
75
79

Medium Clouds (% Sky Obscured)

35
41
15
12
5
3
3
58
57
64
38
27
88
96
88
80
75
82
82
82
82
85
89
65

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
1
8
8
6
4
2
3
5
6
6
7
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
None
None
None
None
None
None
None
None
None
Snow
None
Sleet
None
None
Sleet
Sleet
Sleet
Sleet
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

9
17
10
23
22
26
29
18
14
24
43
50
68
58
72
70
64
62
59
56
51
50
50
43

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
86
89
89
91
94
92
88
79
66
71
68
61
63
66
68
71
73
76
76
78
78

Pressure (mb)

1012
1012
1012
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1015
1016
1016
1017
1018
1019

Ozone (du)

451
451
450
449
450
449
452
454
451
451
446
438
429
423
421
415
409
404
399
394
390
388
386
384

Thursday 26

Waxing Gibbous 72%

12:06

04:15

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
17 Bad
18 OK
19 OK
20 OK
21 Bad
22 Bad

Sun - Rise: 06:16, Set: 18:55, Transit: 12:36. Moon - Rise: 12:06, Set: 04:15. Civil Dark: 19:28 - 05:43. Nautical Dark: 20:08 - 05:04. Astro Dark: 20:49 - 04:22

Total Clouds (% Sky Obscured)

92
94
79
61
44
42
40
41
42
49
57
53
54
59
64
69
70
59
49
38
41
48
55
50

Low Clouds (% Sky Obscured)

82
85
72
54
34
32
32
33
36
44
57
53
54
56
45
33
25
27
31
33
40
48
55
50

Medium Clouds (% Sky Obscured)

36
6
2
0
0
0
0
0
0
1
1
9
17
21
23
22
23
16
12
7
7
7
7
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
3
3
3
5
8

ISS Passover

Visibility (miles)

8
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

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

Precipitation Probability (%)

40
42
37
25
14
12
6
0
0
0
0
1
4
4
5
6
3
2
0
0
0
0
0
9

Precipitation Amount (mm)

0.1
0.2
0.2
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
4
3
2
2
3
3
3
3
3
4
4
5
5
6
6
6
6
5
4
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
87
89
91
92
92
91
91
80
70
62
53
45
40
40
40
39
45
52
59
61
63
65

Pressure (mb)

1019
1020
1020
1021
1021
1022
1022
1023
1023
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1023
1023
1023

Ozone (du)

381
378
375
374
373
371
368
365
362
361
360
359
356
353
349
348
346
344
343
342
341
340
338
337

Friday 27

Waxing Gibbous 82%

13:31

04:42

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
17 Bad
18 Bad

Sun - Rise: 06:14, Set: 18:57, Transit: 12:36. Moon - Rise: 13:31, Set: 04:42. Civil Dark: 19:30 - 05:41. Nautical Dark: 20:10 - 05:02. Astro Dark: 20:51 - 04:20

Total Clouds (% Sky Obscured)

45
45
52
59
65
67
69
71
59
54
50
60
70
80
86
93
100
100
100
100

Low Clouds (% Sky Obscured)

45
35
30
44
53
56
58
61
52
41
45
60
69
73
74
75
72
67
60
54

Medium Clouds (% Sky Obscured)

9
11
33
58
65
67
69
71
59
54
50
60
43
21
21
23
20
15
10
10

High Clouds (% Sky Obscured)

10
11
17
22
29
33
33
32
29
38
44
35
22
10
14
19
25
25
20
20

ISS Passover

Visibility (miles)

9
9
9
9
8
7
7
6
5
7
8
9
9
9
9
7
5
2
5
7

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

Precipitation Probability (%)

13
15
26
35
43
52
59
69
71
73
73
54
39
10
21
25
29
34
35
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
68
68
74
81
89
91
91
92
94
94
94
93
93
91
93
95
95
90
82

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1021
1021

Ozone (du)

338
338
339
338
337
337
335
333
332
333
335
336
341
346
351
354
357
360
366
372

Forecast for Rhöndorf, Cologne District, Germany (50.67,7.21)

Generated: 21/03/26 23:05:29. Forecast: 21/03/26 to 27/03/26. Timezone: UTC+1.00