Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 99%

20:15

05:29

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

Sun - Rise: 06:03, Set: 20:05, Transit: 13:04. Moon - Rise: 20:15, Set: 05:29. Civil Dark: 20:36 - 05:33. Nautical Dark: 21:13 - 04:56. Astro Dark: 21:53 - 04:15

Total Clouds (% Sky Obscured)

29
23
18
1
1
1
2
1
0
0
0
0
0
21
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

7
4
4
1
1
1
2
1
0
0
0
0
0
15
0
0
0
0
0
0
0
0
0
0

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

Chance of Frost

Temperature (°C)

11
10
8
6
6
5
5
4
4
7
11
13
15
15
16
17
17
17
17
16
14
11
8
7

Feels Like (°C)

12
10
8
5
6
4
3
3
3
7
11
13
14
15
16
16
14
14
15
14
14
10
7
6

Dew Point (°C)

10
8
6
4
3
2
1
1
1
2
2
-0
-2
-3
-3
-2
-1
-1
0
2
4
3
-1
-1

Relative Humidity (%)

90
88
88
85
83
82
79
77
76
66
52
40
33
29
27
26
28
29
32
38
49
54
54
55

Pressure (mb)

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

Ozone (du)

366
370
371
371
372
373
378
382
386
391
394
396
399
400
401
402
404
405
408
408
401
395
395
397

Friday 1

Full Moon 100%

21:19

05:56

23 Good
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 Good
13 OK
14 Good
15 Good
16 OK
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good

Sun - Rise: 06:02, Set: 20:06, Transit: 13:04. Moon - Rise: 21:19, Set: 05:56. Civil Dark: 20:37 - 05:31. Nautical Dark: 21:14 - 04:54. Astro Dark: 21:55 - 04:13

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
32
13
17
23
3
2
1
1
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
0
2
2
2
2
1
1
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
11
6
8
10
1
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

7
6
6
5
5
5
5
5
5
8
12
14
16
17
18
18
18
18
18
18
16
14
11
10

Feels Like (°C)

6
5
5
4
4
4
3
4
4
8
12
14
16
17
17
18
17
17
16
17
16
14
12
11

Dew Point (°C)

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

Relative Humidity (%)

55
56
55
53
56
56
59
60
60
52
44
39
36
33
31
30
30
34
41
50
61
71
76
77

Pressure (mb)

1025
1025
1025
1025
1025
1025
1024
1024
1025
1025
1024
1024
1023
1023
1023
1022
1021
1021
1021
1021
1021
1022
1022
1023

Ozone (du)

399
400
399
400
396
395
394
394
396
396
395
395
395
395
395
395
394
393
394
395
395
394
393
392

Saturday 2

Waning Gibbous 98%

22:22

06:27

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

Sun - Rise: 06:00, Set: 20:07, Transit: 13:04. Moon - Rise: 22:22, Set: 06:27. Civil Dark: 20:38 - 05:30. Nautical Dark: 21:15 - 04:53. Astro Dark: 21:56 - 04:12

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
6
9
8
53
15
57
81
63
88
81
48
40
43
47
48

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
11
18
18
10
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
21
22
18
4
7
11
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
6
9
8
53
14
47
81
40
21
19
2
15
13
11
9

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

Chance of Frost

Temperature (°C)

9
8
8
7
7
7
6
6
6
10
14
16
17
19
19
20
20
20
19
18
17
14
12
10

Feels Like (°C)

10
9
9
8
7
8
7
6
6
11
14
17
18
19
19
19
19
18
16
16
16
13
11
10

Dew Point (°C)

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

Relative Humidity (%)

78
79
79
78
79
78
78
78
74
63
58
52
47
43
39
38
39
44
48
54
61
70
73
74

Pressure (mb)

1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1019
1020
1020

Ozone (du)

393
393
391
389
386
384
383
382
379
373
369
368
367
365
363
363
362
361
362
361
359
358
358
359

Sunday 3

Waning Gibbous 95%

No Rise

07:05

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: 05:59, Set: 20:09, Transit: 13:04. Moon - Rise: No Rise, Set: 07:05. Civil Dark: 20:39 - 05:29. Nautical Dark: 21:17 - 04:51. Astro Dark: 21:58 - 04:10

Total Clouds (% Sky Obscured)

65
84
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
17
32
51
48
49
68
73
79
83
89
94
100

Medium Clouds (% Sky Obscured)

17
18
4
12
15
20
25
44
94
100
100
100
100
100
100
100
100
100
97
99
87
99
71
49

High Clouds (% Sky Obscured)

40
68
100
100
100
100
99
99
98
99
99
100
100
100
100
100
100
100
92
81
67
75
89
71

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
1
1
7
12
16
29
42
55
56
55
50
50
50
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.2
0.2
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
8
8
8
7
8
8
10
11
13
14
16
17
16
16
16
15
14
14
14
13
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
78
81
82
84
84
84
78
68
58
50
42
39
44
43
45
46
59
70
76
76
76
75

Pressure (mb)

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

Ozone (du)

360
361
362
363
362
359
359
360
360
359
359
359
361
361
360
359
360
357
355
356
354
352
352
352

Monday 4

Waning Gibbous 90%

23:20

07:51

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: 05:58, Set: 20:10, Transit: 13:04. Moon - Rise: 23:20, Set: 07:51. Civil Dark: 20:40 - 05:27. Nautical Dark: 21:18 - 04:50. Astro Dark: 22:00 - 04:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
97
96
97
98
98
92
85
79
83
89
96
97
99
100

Low Clouds (% Sky Obscured)

99
100
100
100
98
98
99
99
98
94
89
77
86
87
83
75
68
60
61
61
71
76
79
82

Medium Clouds (% Sky Obscured)

89
66
98
25
99
76
93
92
84
77
95
79
92
67
90
63
37
11
19
26
35
44
53
62

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
94
87
81
29
11
9
8
8
7
20
35
64
78
90
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
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

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

Precipitation Probability (%)

56
56
68
72
67
58
56
55
56
51
48
56
59
42
23
60
60
49
59
60
56
54
50
41

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
71
72
77
76
79
77
76
73
73
72
71
65
82
73
70
69
67
66
72
78
83
83
83

Pressure (mb)

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

Ozone (du)

351
349
349
349
348
348
348
349
349
350
351
351
353
356
358
359
360
361
362
361
360
360
359
358

Tuesday 5

Waning Gibbous 83%

00:12

08:45

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: 05:57, Set: 20:11, Transit: 13:04. Moon - Rise: 00:12, Set: 08:45. Civil Dark: 20:41 - 05:26. Nautical Dark: 21:19 - 04:48. Astro Dark: 22:01 - 04:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
96
95
93
92

Low Clouds (% Sky Obscured)

73
68
63
69
76
84
89
93
98
97
98
97
95
93
91
93
94
95
94
93
92
90
89
91

Medium Clouds (% Sky Obscured)

63
64
64
72
80
88
91
95
99
99
100
100
100
100
100
100
99
99
97
95
93
92
92
92

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
96
95
93
92

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

58
65
63
95
95
95
95
95
95
95
95
95
95
95
85
82
79
76
90
95
92
95
95
83

Precipitation Amount (mm)

0
0
0
0.6
0.9
1
1
0.9
0.7
1
1.1
1
1
0.7
0.3
0.4
0.4
0.3
0.5
0.6
0.4
0.8
0.8
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
13
13
13
13
13
13
14
14
14
14
14
14
14
15
15
16
15
15
15
14
13
13
12

Feels Like (°C)

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

Dew Point (°C)

10
10
11
11
11
11
11
12
11
11
12
11
11
11
10
9
10
10
10
10
11
11
11
11

Relative Humidity (%)

86
86
86
87
89
87
87
86
84
83
84
84
86
79
74
68
69
69
69
74
82
87
89
92

Pressure (mb)

1014
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1013
1012
1012
1011
1011
1011
1011
1011
1011
1011
1012
1013

Ozone (du)

357
356
355
355
355
355
355
354
354
353
353
353
352
352
352
352
351
351
350
351
351
352
353
354

Wednesday 6

Waning Gibbous 76%

00:56

09:44

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

Sun - Rise: 05:56, Set: 20:12, Transit: 13:04. Moon - Rise: 00:56, Set: 09:44. Civil Dark: 20:43 - 05:25. Nautical Dark: 21:21 - 04:47. Astro Dark: 22:03 - 04:04

Total Clouds (% Sky Obscured)

93
94
96
87
76
65
47
30
13
12
9
6
41
71
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

93
93
94
83
71
58
41
23
6
5
4
3
6
7
8
14
14
14
11
8
5

Medium Clouds (% Sky Obscured)

82
71
55
41
28
13
9
5
0
0
0
0
0
0
3
3
3
3
35
68
100

High Clouds (% Sky Obscured)

76
56
35
35
35
34
26
17
9
6
4
3
36
68
100
100
100
100
100
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

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

Precipitation Probability (%)

73
54
28
22
16
5
6
6
3
4
3
0
1
1
0
4
3
1
9
10
5

Precipitation Amount (mm)

0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
11
11
11
11
10
11
12
12
15
16
18
18
19
20
20
20
20
19
18

Feels Like (°C)

12
11
10
10
10
11
10
10
10
9
15
15
15
16
16
17
21
20
20
20
21

Dew Point (°C)

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

Relative Humidity (%)

93
90
87
86
87
88
91
90
87
86
74
66
57
52
48
45
45
46
47
53
61

Pressure (mb)

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

Ozone (du)

356
357
359
360
363
365
368
369
369
370
368
366
363
361
358
356
354
353
351
350
350

Forecast for Via Case Sparse, Province of Rome, Italy (41.66,13.10)

Generated: 30/04/26 23:19:37. Forecast: 30/04/26 to 06/05/26. Timezone: UTC+2.00