Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 8%

07:13

20:52

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

Sun - Rise: 06:29, Set: 18:42, Transit: 12:37. Moon - Rise: 07:13, Set: 20:52. Civil Dark: 19:13 - 05:59. Nautical Dark: 19:48 - 05:23. Astro Dark: 20:25 - 04:47

Total Clouds (% Sky Obscured)

28
34
40
77
88
91
86
74
84
77
54
25
31
28
17
20
20
6
12
33
52
53
53
55

Low Clouds (% Sky Obscured)

20
19
13
3
3
3
3
1
2
2
0
1
0
0
0
2
0
0
2
17
26
36
40
32

Medium Clouds (% Sky Obscured)

28
34
40
75
88
91
86
63
82
70
49
19
31
28
17
17
18
2
4
11
52
45
48
49

High Clouds (% Sky Obscured)

0
0
0
8
2
28
45
45
32
18
1
0
0
0
0
0
0
2
6
12
35
33
34
4

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
1
3
5
5
4
3
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
1
4
6
12

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)

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

Chance of Frost

Temperature (°C)

11
10
9
6
4
3
3
3
2
2
1
0
0
0
0
-0
-0
3
5
7
8
9
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
46
52
67
75
76
79
80
81
81
81
83
84
84
84
84
83
72
64
59
53
48
46
46

Pressure (mb)

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

Ozone (du)

375
376
379
383
385
385
386
389
390
393
394
393
394
395
395
394
394
393
393
395
393
391
392
393

Saturday 21

Waxing Crescent 8%

07:38

22:16

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:27, Set: 18:44, Transit: 12:36. Moon - Rise: 07:38, Set: 22:16. Civil Dark: 19:14 - 05:57. Nautical Dark: 19:50 - 05:21. Astro Dark: 20:27 - 04:44

Total Clouds (% Sky Obscured)

87
83
71
42
87
90
92
88
90
89
79
70
97
97
100
98
100
100
100
100
100
67
70
78

Low Clouds (% Sky Obscured)

59
42
37
35
81
60
51
60
59
57
62
70
83
81
86
93
92
52
23
21
42
55
68
71

Medium Clouds (% Sky Obscured)

26
29
35
38
43
67
87
56
80
82
68
62
94
90
100
63
62
62
86
100
100
67
25
19

High Clouds (% Sky Obscured)

8
4
0
0
0
0
0
0
0
0
0
28
60
40
35
2
28
40
55
60
30
1
2
2

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
9
9
9
6
6
0
0
0
0
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
2
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

17
33
23
35
36
43
25
21
25
22
47
57
69
61
32
51
37
30
17
8
5
2
1
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
50
54
69
80
88
91
93
93
94
96
96
94
100
100
98
91
83
73
65
59
56
54
58

Pressure (mb)

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

Ozone (du)

392
393
395
397
403
405
415
423
427
431
435
436
437
439
439
437
432
422
412
400
390
384
382
381

Sunday 22

Waxing Crescent 16%

08:12

23:40

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:25, Set: 18:45, Transit: 12:36. Moon - Rise: 08:12, Set: 23:40. Civil Dark: 19:16 - 05:55. Nautical Dark: 19:51 - 05:19. Astro Dark: 20:28 - 04:42

Total Clouds (% Sky Obscured)

82
88
75
72
69
62
53
48
63
72
82
91
97
88
93
92
95
99
87
83
77
87
84
82

Low Clouds (% Sky Obscured)

60
79
67
67
60
48
35
20
40
52
51
56
63
59
82
87
91
82
77
50
67
73
69
65

Medium Clouds (% Sky Obscured)

45
60
1
2
3
0
1
0
0
0
20
36
75
61
66
40
48
55
23
45
14
29
30
30

High Clouds (% Sky Obscured)

2
2
2
2
1
1
2
2
2
10
2
16
2
2
1
1
6
1
1
0
0
0
1
1

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
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
Very Light Rain
None
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

19
18
7
15
12
1
1
10
0
0
0
12
13
15
17
30
34
34
32
40
43
37
33
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
3
3
2
1
1
2
2
2
2
2
1
2
1
1
2
2
2
2
2
2
2
2
2

Relative Humidity (%)

66
69
73
75
77
78
83
85
88
88
86
85
86
86
86
89
89
88
80
76
71
69
66
64

Pressure (mb)

1010
1010
1010
1011
1012
1013
1014
1014
1014
1015
1015
1016
1016
1016
1017
1017
1018
1019
1019
1019
1019
1019
1018
1019

Ozone (du)

379
376
377
380
385
390
396
399
402
407
409
407
401
395
393
395
401
407
410
411
408
406
406
401

Monday 23

Waxing Crescent 26%

08:56

01:02

15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
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 OK
13 Bad
14 Bad

Sun - Rise: 06:23, Set: 18:47, Transit: 12:36. Moon - Rise: 08:56, Set: 01:02. Civil Dark: 19:17 - 05:53. Nautical Dark: 19:53 - 05:17. Astro Dark: 20:30 - 04:40

Total Clouds (% Sky Obscured)

81
68
57
45
37
38
34
35
40
40
45
50
51
63
74
80
79
67
77
71
65
28
79
76

Low Clouds (% Sky Obscured)

65
52
41
23
9
5
5
2
2
2
2
3
3
2
2
2
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

30
20
12
0
0
0
0
0
12
13
2
2
3
3
8
5
5
7
4
2
2
3
3
16

High Clouds (% Sky Obscured)

19
1
0
9
8
10
10
10
25
40
40
45
41
51
60
68
55
47
46
37
33
23
30
36

ISS Passover

Visibility (miles)

2
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 (%)

27
22
31
19
4
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
5
4
3
2
1
1
0
-1
0
-0
-1
-1
-1
-2
-1
2
4
6
7
8
11
9

Dew Point (°C)

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

Relative Humidity (%)

63
64
68
75
80
85
86
89
88
88
88
86
86
83
83
83
80
75
61
55
48
44
41
41

Pressure (mb)

1019
1019
1020
1021
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1024
1024
1023
1022
1021
1021

Ozone (du)

414
425
418
409
405
399
395
391
390
389
386
384
378
373
368
364
360
356
355
355
354
354
355
354

Tuesday 24

Waxing Crescent 38%

09:55

02:14

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

Sun - Rise: 06:21, Set: 18:48, Transit: 12:35. Moon - Rise: 09:55, Set: 02:14. Civil Dark: 19:18 - 05:51. Nautical Dark: 19:54 - 05:15. Astro Dark: 20:32 - 04:38

Total Clouds (% Sky Obscured)

70
84
64
70
84
93
100
37
65
74
31
26
30
61
93
92
96
97
98
98
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
2
3
0
0
0
0
0
0
0
0
3
7
10
8
6
4
8
13

Medium Clouds (% Sky Obscured)

16
30
21
51
36
21
79
29
23
23
23
26
25
14
11
6
22
38
55
60
70
75
83
91

High Clouds (% Sky Obscured)

42
34
26
20
48
74
100
37
65
74
31
26
30
61
69
53
21
37
58
77
91
100
100
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
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
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
1
20
26

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
8
7
5
3
2
2
2
2
1
2
2
1
0
0
0
1
2
3
4
4
5
8

Dew Point (°C)

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

Relative Humidity (%)

41
42
49
64
69
70
73
75
76
76
73
72
72
73
73
75
76
66
57
51
51
52
52
58

Pressure (mb)

1020
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1019
1018
1017
1017
1016
1015
1019
1017
1016
1015
1014
1012
1012

Ozone (du)

354
352
350
348
348
347
348
349
351
353
355
354
354
354
353
352
350
353
355
357
360
362
364
366

Wednesday 25

First Quarter 49%

11:06

03:11

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:20, Set: 18:49, Transit: 12:35. Moon - Rise: 11:06, Set: 03:11. Civil Dark: 19:20 - 05:49. Nautical Dark: 19:56 - 05:13. Astro Dark: 20:33 - 04:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
95
95
97
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

17
38
61
82
83
84
85
81
83
82
88
94
100
99
99
99
99
99
100
98
96
93
96
98

Medium Clouds (% Sky Obscured)

100
91
80
63
41
28
19
17
19
24
53
73
89
91
91
91
95
98
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
78
58
40
36
19
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
5
3
2
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
1
1
1
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
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

28
59
71
72
79
89
92
82
75
55
77
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0.3
0.4
0.3
0.4
0.6
0.5
0.5
0.4
0
0.4
0.9
1.5
1.3
1.1
1
0.9
1
1
0.9
0.8
0.9
0.9
1

Wind Speed/Direction (mph)

10
11
10
9
8
9
9
10
10
9
9
8
6
6
6
5
5
6
6
7
7
7
7
7

Chance of Frost

Temperature (°C)

10
8
7
5
4
4
4
5
5
4
4
2
1
-1
-1
-1
-1
-1
-1
-1
-0
0
1
0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
77
84
90
98
96
96
98
96
94
93
93
94
94
94
96
96
91
84
80
80
77
75
80

Pressure (mb)

1011
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1014
1014
1015
1015
1015
1016
1015
1015
1015
1015

Ozone (du)

367
369
373
377
382
392
402
412
416
420
425
425
426
427
428
430
431
432
433
434
437
439
442
443

Thursday 26

Waxing Gibbous 61%

12:24

03:54

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
12 Bad

Sun - Rise: 06:18, Set: 18:51, Transit: 12:35. Moon - Rise: 12:24, Set: 03:54. Civil Dark: 19:21 - 05:47. Nautical Dark: 19:57 - 05:11. Astro Dark: 20:35 - 04:33

Total Clouds (% Sky Obscured)

100
98
96
92
94
97
100
98
98
100
100
100
100
100
100
98
95
92
88
83
88
98

Low Clouds (% Sky Obscured)

100
97
94
90
89
93
99
94
88
84
83
84
83
81
77
70
73
71
60
69
79
89

Medium Clouds (% Sky Obscured)

100
94
91
89
87
85
86
85
86
84
94
95
97
100
100
98
95
92
88
83
88
98

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
93
82
74
68
73
76
77
68
57
41
49
55
61

Precipitation Amount (mm)

1.2
0.9
0.8
0.9
1
1
1.2
0.9
0.8
0.8
0.6
0.5
0.4
0.5
0.6
0.6
0.4
0.3
0
0
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
92
94
94
96
96
96
98
96
96
96
96
96
96
96
96
94
89
84
83
83
81

Pressure (mb)

1015
1015
1015
1016
1016
1017
1017
1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1019
1018
1017
1016
1015

Ozone (du)

444
445
445
446
447
451
455
460
457
455
453
451
450
448
450
452
454
458
462
466
467
468

Forecast for Niedermuhlern, Bern-Mittelland District, Switzerland (46.86,7.47)

Generated: 20/03/26 15:06:33. Forecast: 20/03/26 to 26/03/26. Timezone: UTC+1.00