Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

16:18

04:49

16 OK
17 OK
18 OK
19 OK
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

Sun - Rise: 06:19, Set: 20:35, Transit: 13:27. Moon - Rise: 16:18, Set: 04:49. Civil Dark: 21:08 - 05:45. Nautical Dark: 21:49 - 05:04. Astro Dark: 22:35 - 04:17

Total Clouds (% Sky Obscured)

26
31
36
36
100
85
100
78
96
97
100
100
100
100
100
100
100
99
99
100
96
100
100
100

Low Clouds (% Sky Obscured)

12
13
3
3
1
0
0
0
0
0
0
0
0
0
0
2
1
20
35
19
3
20
26
74

Medium Clouds (% Sky Obscured)

0
0
0
0
3
10
1
0
0
47
50
40
50
40
61
100
99
96
98
100
89
93
100
100

High Clouds (% Sky Obscured)

26
31
36
36
100
80
100
78
96
93
100
100
100
100
100
100
99
65
89
100
92
100
100
92

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
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
Very Light Rain

Precipitation Probability (%)

0
0
0
5
2
1
1
1
1
1
1
1
2
2
2
1
2
3
15
13
22
39
47
54

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
17
16
12
10
9
9
8
8
8
8
8
8
8
8
11
13
14
15
16
17
16
15

Feels Like (°C)

16
15
15
14
11
8
8
6
6
6
6
6
6
5
6
6
9
12
12
13
14
14
14
13

Dew Point (°C)

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

Relative Humidity (%)

37
38
39
53
65
66
69
70
71
73
74
74
75
75
74
74
68
59
55
52
49
48
51
58

Pressure (mb)

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

Ozone (du)

358
358
358
359
361
364
364
364
365
367
370
373
373
372
373
374
373
371
370
371
372
372
369
369

Tuesday 28

Waxing Gibbous 92%

17:27

05:05

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
15 Bad

Sun - Rise: 06:17, Set: 20:36, Transit: 13:27. Moon - Rise: 17:27, Set: 05:05. Civil Dark: 21:09 - 05:44. Nautical Dark: 21:51 - 05:02. Astro Dark: 22:38 - 04:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
94
98
99
100
100
91
97

Low Clouds (% Sky Obscured)

48
40
48
64
62
61
62
53
72
76
77
84
83
85
91
91
82
76
81
85
69
66
70
90

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
86
70
58
50
46
22
52

High Clouds (% Sky Obscured)

81
100
100
100
100
100
100
100
100
100
85
66
87
74
35
35
41
37
71
97
100
100
51
44

ISS Passover

Visibility (miles)

7
6
5
6
7
9
9
5
5
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

67
81
94
89
67
52
72
80
66
50
58
68
66
56
47
48
41
38
22
10
27
38
36
40

Precipitation Amount (mm)

0.4
0.4
0.7
0.6
0.3
0
0.4
0.6
0.3
0
0.2
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
8
9
9
9
8
8
8
8
8
8
8
8
8
7
8
8
8
9
9
9
9
8
8

Relative Humidity (%)

64
74
84
91
93
95
93
95
93
93
95
93
93
93
93
96
96
95
93
87
81
74
68
64

Pressure (mb)

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

Ozone (du)

368
367
367
366
365
364
363
363
363
361
361
361
361
363
364
364
364
366
368
371
371
369
370
370

Wednesday 29

Waxing Gibbous 97%

18:36

05:21

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

Sun - Rise: 06:15, Set: 20:37, Transit: 13:27. Moon - Rise: 18:36, Set: 05:21. Civil Dark: 21:11 - 05:42. Nautical Dark: 21:52 - 05:00. Astro Dark: 22:40 - 04:12

Total Clouds (% Sky Obscured)

95
91
97
99
56
23
20
18
14
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

88
84
94
98
52
23
20
18
14
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

30
12
33
13
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

38
33
30
33
2
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

Light Rain
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

Precipitation Probability (%)

59
59
47
32
8
2
1
0
1
1
0
1
0
0
0
0
0
0
0
0
0
0
1
2

Precipitation Amount (mm)

0.4
0.4
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
6
5
5
5
3
2
2
3
2
2
2
2
2
2
1
1
3
4
5
6
6
6
6

Chance of Frost

Temperature (°C)

15
14
13
13
11
9
7
7
6
6
6
5
5
5
4
5
7
9
11
13
14
15
16
16

Feels Like (°C)

13
12
11
11
10
8
8
7
6
7
6
5
6
5
5
6
7
10
11
12
13
14
15
15

Dew Point (°C)

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

Relative Humidity (%)

62
64
68
69
72
81
85
87
91
91
93
91
91
91
93
88
78
68
59
56
51
49
47
45

Pressure (mb)

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

Ozone (du)

370
370
372
377
385
394
400
405
404
402
403
404
404
403
401
397
395
394
394
393
393
392
393
393

Thursday 30

Waxing Gibbous 99%

19:45

05:40

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

Sun - Rise: 06:14, Set: 20:39, Transit: 13:27. Moon - Rise: 19:45, Set: 05:40. Civil Dark: 21:12 - 05:40. Nautical Dark: 21:54 - 04:58. Astro Dark: 22:42 - 04:10

Total Clouds (% Sky Obscured)

0
1
1
1
0
0
0
0
0
2
0
0
0
7
13
20
16
16
10
15
17
12
37
63

Low Clouds (% Sky Obscured)

0
0
0
1
0
0
0
0
0
0
0
0
0
5
8
15
14
13
10
15
17
12
34
55

Medium 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
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
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
2
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
12
3
10
12
6

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

Chance of Frost

Temperature (°C)

16
16
15
14
11
9
8
7
7
7
7
7
7
6
6
7
10
12
14
15
15
16
17
18

Feels Like (°C)

16
16
15
14
12
10
8
8
8
8
7
7
7
6
6
8
11
14
14
15
15
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

44
45
48
57
68
74
79
82
85
87
87
87
88
88
88
85
74
64
59
56
58
56
51
48

Pressure (mb)

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

Ozone (du)

392
391
390
390
390
391
393
393
392
391
390
389
389
389
389
390
390
389
389
389
390
390
389
389

Friday 1

Full Moon 100%

20:55

06:02

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

Sun - Rise: 06:12, Set: 20:40, Transit: 13:27. Moon - Rise: 20:55, Set: 06:02. Civil Dark: 21:14 - 05:38. Nautical Dark: 21:56 - 04:56. Astro Dark: 22:44 - 04:07

Total Clouds (% Sky Obscured)

69
80
73
58
36
44
71
80
80
80
87
85
84
86
85
88
92
88
84
90
95
100
100
100

Low Clouds (% Sky Obscured)

58
64
64
53
28
23
3
15
16
35
62
81
17
13
5
3
9
12
15
19
24
25
40
55

Medium Clouds (% Sky Obscured)

1
0
0
0
0
2
4
42
65
65
70
71
76
82
83
38
44
54
65
55
43
30
51
72

High Clouds (% Sky Obscured)

0
0
0
0
0
3
14
15
15
10
5
15
20
20
25
25
8
11
13
42
71
100
94
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
3
9
6
9
7
7
9
8
7
6
6
6
6
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

15
20
21
11
8
9
10
21
30
38
38
32
26
20
21
21
33
36
37
44
53
70
63
66

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.7
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
17
15
14
12
11
10
10
10
10
10
10
9
9
9
11
12
13
15
15
16
16
16

Feels Like (°C)

17
16
16
15
14
12
10
9
8
8
9
9
9
9
8
8
10
11
11
12
13
13
13
17

Dew Point (°C)

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

Relative Humidity (%)

46
50
60
69
76
81
84
87
87
91
93
95
93
95
95
95
90
84
78
74
67
59
54
58

Pressure (mb)

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

Ozone (du)

386
381
378
375
373
373
373
373
373
372
373
373
373
371
369
366
364
364
364
364
364
364
365
365

Saturday 2

Waning Gibbous 98%

22:03

06:29

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
15 Bad

Sun - Rise: 06:11, Set: 20:41, Transit: 13:27. Moon - Rise: 22:03, Set: 06:29. Civil Dark: 21:15 - 05:37. Nautical Dark: 21:58 - 04:54. Astro Dark: 22:46 - 04:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
90
81
72
79
85
90
90
91

Low Clouds (% Sky Obscured)

70
59
49
39
30
22
14
19
22
25
42
59
81
71
67
57
40
27
16
32
45
59
46
39

Medium Clouds (% Sky Obscured)

93
89
85
77
79
89
100
99
97
95
94
95
97
89
82
75
74
75
72
79
82
84
83
82

High Clouds (% Sky Obscured)

95
100
97
97
93
96
100
97
93
89
93
96
100
99
99
98
83
67
50
65
74
80
78
81

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

75
72
65
55
46
41
18
19
15
3
9
14
15
19
18
12
22
27
34
50
65
90
82
92

Precipitation Amount (mm)

0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
1.2
0.6
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
15
15
15
10
10
10
10
10
9
7
7
7
7
7
7
10
11
11
11
11
11
14

Dew Point (°C)

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

Relative Humidity (%)

63
66
73
79
87
87
87
88
87
88
90
88
90
88
87
87
85
80
72
68
66
64
63
64

Pressure (mb)

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

Ozone (du)

366
366
367
368
368
368
368
368
367
367
366
366
365
365
364
364
363
364
364
364
363
363
362
362

Sunday 3

Waning Gibbous 95%

23:10

07:04

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

Sun - Rise: 06:09, Set: 20:43, Transit: 13:27. Moon - Rise: 23:10, Set: 07:04. Civil Dark: 21:17 - 05:35. Nautical Dark: 21:59 - 04:52. Astro Dark: 22:49 - 04:02

Total Clouds (% Sky Obscured)

93
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100

Low Clouds (% Sky Obscured)

30
36
38
42
60
67
72
69
67
67
68
74
75
86
90
93
95
96
96
98
99
100

Medium Clouds (% Sky Obscured)

81
72
65
63
76
88
100
99
98
97
98
97
97
100
100
100
99
98
98
98
98
98

High Clouds (% Sky Obscured)

82
88
94
100
100
100
100
95
90
84
80
76
75
82
88
93
88
87
80
73
62
48

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Very 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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
83
82
84
87
86
84
80
83
84
84
92
95
95
88
83
84

Precipitation Amount (mm)

1.1
0.8
0.9
1.3
0.9
0.7
0.3
0.4
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.3
0.5
0.7
0.8
0.6
0.6
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
14
14
9
9
10
9
9
9
8
8
8
8
8
8
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

68
69
73
80
85
87
88
91
93
96
100
100
98
98
98
100
100
98
98
98
96
93

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015
1015
1014
1014
1014
1014

Ozone (du)

363
363
364
364
365
365
366
367
367
368
369
369
369
368
368
367
367
366
366
366
366
366

Forecast for Eywald, Bern-Mittelland District, Switzerland (46.77,7.42)

Generated: 27/04/26 16:49:46. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+2.00