Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Gibbous 68%

15:12

04:20

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

Sun - Rise: 06:28, Set: 20:36, Transit: 13:33. Moon - Rise: 15:12, Set: 04:20. Civil Dark: 21:08 - 05:56. Nautical Dark: 21:48 - 05:15. Astro Dark: 22:33 - 04:30

Total Clouds (% Sky Obscured)

7
5
6
8
17
24
26
12
59
65
47
56
75
100
100
100
100
100
100
80
68
83
19
7

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
2
0
0
0
0
0
0
0
0
1
2
19
31
45
48
27
26
21
10
2
0

High Clouds (% Sky Obscured)

1
1
2
1
12
18
26
5
22
35
27
42
67
100
100
100
100
100
100
52
68
83
7
2

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)

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

Chance of Frost

Temperature (°C)

22
22
20
16
13
13
11
11
11
10
10
9
9
9
9
10
12
14
15
16
17
19
19
20

Feels Like (°C)

22
22
21
16
14
13
12
12
11
9
9
9
8
8
7
9
10
12
14
14
15
18
17
19

Dew Point (°C)

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

Relative Humidity (%)

37
43
53
59
62
63
68
71
76
78
78
81
82
84
85
80
79
74
69
65
61
56
54
49

Pressure (mb)

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

Ozone (du)

364
360
358
358
358
360
362
361
363
363
364
368
371
371
373
372
372
373
375
377
378
378
378
379

Sunday 26

Waxing Gibbous 78%

16:23

04:38

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

Sun - Rise: 06:27, Set: 20:37, Transit: 13:33. Moon - Rise: 16:23, Set: 04:38. Civil Dark: 21:10 - 05:54. Nautical Dark: 21:50 - 05:13. Astro Dark: 22:35 - 04:28

Total Clouds (% Sky Obscured)

7
12
1
0
0
3
7
21
12
39
19
54
73
31
21
34
51
62
50
44
42
18
19
21

Low 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

Medium Clouds (% Sky Obscured)

5
10
0
0
0
0
0
0
0
0
2
5
34
0
4
0
0
8
0
1
1
0
1
0

High Clouds (% Sky Obscured)

1
1
0
0
0
2
7
21
12
39
15
46
34
22
19
34
51
56
42
36
40
17
19
21

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
6
4
4
4
4
3
3
2
2
2
2
2
2
2
2
2
3
2
2
2
2
3

Chance of Frost

Temperature (°C)

20
20
19
16
14
13
12
11
10
9
9
8
8
8
7
10
12
14
15
17
18
19
20
21

Feels Like (°C)

20
20
19
17
14
14
13
11
11
10
9
9
7
6
7
10
11
12
15
16
17
19
21
21

Dew Point (°C)

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

Relative Humidity (%)

47
51
61
69
74
74
72
73
76
77
80
81
82
82
84
78
73
69
65
60
55
50
47
46

Pressure (mb)

1018
1018
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1019
1019
1018
1017
1017

Ozone (du)

379
379
377
376
376
376
376
375
373
372
372
371
370
368
365
364
363
362
361
361
361
362
361
360

Monday 27

Waxing Gibbous 86%

No Rise

04:54

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

Sun - Rise: 06:25, Set: 20:38, Transit: 13:32. Moon - Rise: No Rise, Set: 04:54. Civil Dark: 21:11 - 05:52. Nautical Dark: 21:52 - 05:11. Astro Dark: 22:37 - 04:25

Total Clouds (% Sky Obscured)

50
48
61
75
76
21
55
78
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

9
6
0
9
16
0
0
0
0
1
3
6
62
59
78
61
59
79
76
36
44
50
67
65

Medium Clouds (% Sky Obscured)

0
17
35
40
20
2
15
53
83
82
94
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

35
27
25
20
37
7
24
17
75
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
7
5
6
9
9
8
5
2
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
1
1
0
0
0
0
0
0
1
7
10
34
71
95
91
73
71
83
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
1.1
0.8
0.4
0.4
0.6
0.9
1.3
1.4
1.4
1.1

Wind Speed/Direction (mph)

3
4
4
3
3
2
2
2
3
2
2
3
3
3
2
4
4
3
2
2
2
2
2
3

Chance of Frost

Temperature (°C)

21
21
20
18
16
14
13
13
12
12
12
11
12
12
12
12
13
14
14
14
16
16
16
16

Feels Like (°C)

21
20
21
18
15
13
14
12
11
11
11
10
11
11
10
11
12
13
13
13
15
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

46
50
62
66
68
70
72
74
73
72
71
72
71
77
87
92
90
87
87
78
75
74
75
75

Pressure (mb)

1016
1016
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1016
1016
1015
1015
1015
1015
1015
1014
1014

Ozone (du)

359
359
359
360
361
361
360
359
358
360
363
364
367
368
368
369
370
369
369
370
369
368
369
369

Tuesday 28

Waxing Gibbous 92%

17:32

05:10

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: 06:24, Set: 20:40, Transit: 13:32. Moon - Rise: 17:32, Set: 05:10. Civil Dark: 21:13 - 05:51. Nautical Dark: 21:53 - 05:09. Astro Dark: 22:39 - 04:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
99
100
100
97
95
87
60
76
86
93
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
67
61
63
68
75
77
79
78
72
70
69
64
62
53
25
42
52
56
54
23
4
7
2

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
94
71
63
53
43
36
22
20
16
31
49
65
67
64
61
43
29
19

High Clouds (% Sky Obscured)

100
100
100
100
100
100
97
94
91
94
97
100
92
84
74
60
76
86
93
99
100
100
100
100

ISS Passover

Visibility (miles)

3
4
5
9
9
8
9
9
9
8
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
82
68
72
70
57
53
46
40
32
14
12
10
9
4
11
4
18
10
13
16
24
20

Precipitation Amount (mm)

1
0.7
0.4
0.3
0.4
0.3
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
10
10
9
9
10
10
10
9
9
8
9
9
10
11
11
11
10
10
11
11
11

Relative Humidity (%)

74
76
78
78
79
80
84
87
87
87
86
87
87
88
88
90
89
84
80
75
74
69
67
66

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1012

Ozone (du)

369
369
369
368
367
368
368
370
371
374
378
381
382
382
385
388
392
393
393
392
390
384
380
379

Wednesday 29

Waxing Gibbous 97%

18:41

05:27

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: 06:22, Set: 20:41, Transit: 13:32. Moon - Rise: 18:41, Set: 05:27. Civil Dark: 21:14 - 05:49. Nautical Dark: 21:55 - 05:07. Astro Dark: 22:41 - 04:21

Total Clouds (% Sky Obscured)

100
100
100
99
97
95
93
92
91
80
70
65
70
70
75
95
93
90
82
75
68
80
89
100

Low Clouds (% Sky Obscured)

1
1
14
54
55
60
60
49
5
25
6
57
3
30
3
4
4
5
4
3
2
2
2
3

Medium Clouds (% Sky Obscured)

40
89
99
97
96
94
91
81
61
74
31
42
2
30
2
70
65
59
56
51
47
45
41
37

High Clouds (% Sky Obscured)

100
100
100
74
49
23
16
17
19
12
6
5
5
10
15
63
45
27
23
18
10
40
69
100

ISS Passover

Visibility (miles)

9
9
9
9
7
7
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 (%)

32
35
39
47
49
35
22
8
3
6
5
2
6
4
0
20
18
7
10
8
4
13
18
20

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)

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

Chance of Frost

Temperature (°C)

17
16
15
14
12
11
11
11
10
10
10
9
9
9
8
9
11
13
14
16
17
19
19
19

Feels Like (°C)

14
13
12
12
10
10
9
9
9
8
7
7
7
7
7
7
9
10
10
11
12
12
19
18

Dew Point (°C)

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

Relative Humidity (%)

68
72
77
79
84
92
93
91
91
91
91
91
93
93
91
90
86
80
75
69
64
59
60
60

Pressure (mb)

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

Ozone (du)

376
371
368
366
366
366
365
364
363
362
360
360
361
361
364
363
362
361
360
357
354
351
349
347

Thursday 30

Waxing Gibbous 99%

19:49

05:46

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: 06:20, Set: 20:42, Transit: 13:32. Moon - Rise: 19:49, Set: 05:46. Civil Dark: 21:15 - 05:47. Nautical Dark: 21:57 - 05:06. Astro Dark: 22:44 - 04:18

Total Clouds (% Sky Obscured)

97
95
93
80
67
57
64
66
71
61
55
49
59
73
87
86
84
82
88
94
100
100
100
100

Low Clouds (% Sky Obscured)

2
1
1
1
1
1
1
0
0
0
0
0
4
8
13
17
21
24
17
10
3
5
7
9

Medium Clouds (% Sky Obscured)

45
50
54
45
38
27
23
6
5
12
21
30
50
70
87
73
64
54
54
58
63
60
60
57

High Clouds (% Sky Obscured)

97
95
93
80
67
57
64
66
71
61
33
3
3
3
3
17
30
44
63
81
100
99
98
96

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
Very Light Rain
None

Precipitation Probability (%)

37
40
18
33
30
12
23
21
12
33
40
41
40
36
23
25
24
5
31
41
41
49
65
58

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
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
18
16
15
14
13
12
12
12
11
12
11
12
13
13
14
16
18
19
20
22
22
22

Feels Like (°C)

18
19
18
17
16
15
16
15
15
15
12
13
12
13
13
13
13
15
16
16
16
17
23
23

Dew Point (°C)

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

Relative Humidity (%)

60
65
71
75
78
80
81
84
84
86
88
90
90
90
89
87
84
81
77
72
66
62
63
63

Pressure (mb)

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

Ozone (du)

346
345
344
343
343
343
343
344
344
344
345
346
347
347
347
348
348
348
348
348
347
346
346
345

Friday 1

Full Moon 100%

20:58

06:09

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: 06:19, Set: 20:44, Transit: 13:32. Moon - Rise: 20:58, Set: 06:09. Civil Dark: 21:17 - 05:46. Nautical Dark: 21:58 - 05:04. Astro Dark: 22:46 - 04:16

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
100
100
100
100
100
100
99
98
96
94
93
92
90
88

Low Clouds (% Sky Obscured)

16
22
28
38
49
65
65
73
77
74
73
69
76
85
90
85
84
81
79
73
70

Medium Clouds (% Sky Obscured)

66
80
86
88
91
93
94
96
91
89
88
86
90
93
96
89
85
81
88
90
88

High Clouds (% Sky Obscured)

94
96
100
97
95
94
96
99
100
100
100
100
88
73
46
36
32
36
25
17
10

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

79
92
95
95
95
95
94
94
79
93
89
72
66
63
58
66
79
89
95
95
95

Precipitation Amount (mm)

0.5
0.7
0.6
0.7
0.8
0.8
0.7
0.9
0.4
0.8
0.7
0.4
0.3
0.2
0
0.2
0.3
0.3
0.8
1.3
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
21
19
17
18
16
15
15
15
15
14
14
14
14
14
14
15
16
17
17
18

Feels Like (°C)

22
22
22
21
18
17
17
17
17
16
14
14
13
13
13
13
14
16
17
17
18

Dew Point (°C)

15
15
15
14
15
14
14
14
14
14
14
13
13
13
13
13
14
15
16
16
16

Relative Humidity (%)

64
69
75
79
85
87
92
93
95
95
95
95
93
93
93
92
92
95
95
93
90

Pressure (mb)

1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

344
344
343
343
344
345
346
346
346
346
346
346
346
347
348
348
351
354
357
357
358

Forecast for Plainpalais, Geneva, Switzerland (46.20,6.14)

Generated: 25/04/26 17:15:26. Forecast: 25/04/26 to 01/05/26. Timezone: UTC+2.00