Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Gibbous 68%

13:42

03:47

08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
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 Good
07 Good

Sun - Rise: 06:12, Set: 20:02, Transit: 13:07. Moon - Rise: 13:42, Set: 03:47. Civil Dark: 20:31 - 05:42. Nautical Dark: 21:08 - 05:06. Astro Dark: 21:47 - 04:26

Total Clouds (% Sky Obscured)

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

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
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
2
1

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)

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

Chance of Frost

Temperature (°C)

11
14
17
20
22
23
23
23
22
21
20
18
17
15
15
14
14
13
13
12
12
11
11
11

Feels Like (°C)

11
14
18
21
21
21
21
21
20
19
18
17
17
16
16
15
15
14
13
12
12
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

61
54
47
42
37
36
35
34
36
39
43
52
65
70
73
73
70
66
64
64
67
68
69
68

Pressure (mb)

1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1016
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

372
372
372
372
374
374
372
372
367
364
367
370
371
373
374
377
378
376
377
381
376
363
361
361

Sunday 26

Waxing Gibbous 78%

14:51

04:09

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

Sun - Rise: 06:11, Set: 20:03, Transit: 13:07. Moon - Rise: 14:51, Set: 04:09. Civil Dark: 20:33 - 05:41. Nautical Dark: 21:09 - 05:04. Astro Dark: 21:48 - 04:24

Total Clouds (% Sky Obscured)

0
0
0
4
7
15
55
53
12
2
1
0
0
25
30
85
58
66
81
66
65
71
72
66

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
14
17
22
33
33
49
38
34
38
40
31

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
36
36

High Clouds (% Sky Obscured)

0
0
0
4
7
15
55
53
12
2
1
0
0
0
0
85
20
50
81
66
65
71
72
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
38
42
52
52
52
52
52

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)

4
4
4
5
7
9
10
10
10
9
8
6
4
2
2
1
1
1
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

13
16
18
20
22
22
22
22
22
21
20
19
17
16
15
15
14
14
13
13
13
12
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
49
39
33
31
33
35
36
38
42
45
53
65
74
79
80
83
83
84
83
81
80
79
75

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1020

Ozone (du)

362
361
360
360
361
362
363
363
363
362
362
360
360
359
360
363
366
369
374
379
380
382
381
380

Monday 27

Waxing Gibbous 86%

15:58

04:29

08 OK
09 OK
10 OK
11 OK
12 OK
13 Good
14 Good
15 Good
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 Good
07 Good

Sun - Rise: 06:09, Set: 20:04, Transit: 13:07. Moon - Rise: 15:58, Set: 04:29. Civil Dark: 20:34 - 05:39. Nautical Dark: 21:10 - 05:02. Astro Dark: 21:50 - 04:22

Total Clouds (% Sky Obscured)

48
30
27
25
22
5
17
8
3
5
1
17
16
5
18
2
4
2
3
5
6
4
2
0

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

24
9
0
1
22
4
2
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
16
15
5
18
2
4
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 (%)

4
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)

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

Chance of Frost

Temperature (°C)

14
16
19
20
21
22
22
22
22
21
20
19
17
16
15
15
14
14
13
13
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
55
46
42
39
39
40
39
39
40
42
50
61
67
69
71
73
74
74
74
75
73
73
70

Pressure (mb)

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

Ozone (du)

379
380
381
381
380
380
382
385
386
388
389
386
383
381
378
375
373
371
368
366
364
363
363
363

Tuesday 28

Waxing Gibbous 92%

17:04

04:48

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

Sun - Rise: 06:08, Set: 20:05, Transit: 13:07. Moon - Rise: 17:04, Set: 04:48. Civil Dark: 20:35 - 05:38. Nautical Dark: 21:12 - 05:01. Astro Dark: 21:52 - 04:21

Total Clouds (% Sky Obscured)

16
31
46
30
19
4
8
8
9
7
44
11
4
5
2
9
11
20
18
14
17
13
9
3

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

High Clouds (% Sky Obscured)

16
31
46
30
19
4
5
3
1
2
44
11
3
5
2
8
6
12
12
7
11
11
8
3

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)

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

Chance of Frost

Temperature (°C)

14
17
19
20
21
21
22
22
21
21
20
19
17
16
15
14
13
13
12
12
12
12
12
13

Feels Like (°C)

16
17
19
20
19
20
21
20
20
20
19
17
17
16
15
14
14
13
12
11
11
11
11
12

Dew Point (°C)

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

Relative Humidity (%)

59
48
42
38
36
36
37
39
38
39
42
50
60
67
68
70
69
65
62
62
59
58
56
56

Pressure (mb)

1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014
1014
1014
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013

Ozone (du)

366
366
364
363
363
362
362
361
360
358
356
356
356
353
353
351
350
349
348
348
347
346
346
347

Wednesday 29

Waxing Gibbous 97%

18:08

05:09

08 Good
09 Good
10 Good
11 OK
12 OK
13 Bad
14 Bad
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

Sun - Rise: 06:06, Set: 20:06, Transit: 13:07. Moon - Rise: 18:08, Set: 05:09. Civil Dark: 20:36 - 05:36. Nautical Dark: 21:13 - 04:59. Astro Dark: 21:53 - 04:19

Total Clouds (% Sky Obscured)

3
3
5
15
28
71
93
87
94
95
95
96
98
97
97
94
93
90
87
83
77
74
72
70

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
44
58
71
63
57
50
43
38
33
47
58
67

Medium Clouds (% Sky Obscured)

0
0
0
10
17
20
90
82
94
62
12
25
31
38
45
31
18
4
17
31
44
41
37
34

High Clouds (% Sky Obscured)

3
3
5
9
19
68
31
28
44
85
84
86
98
95
93
92
91
89
82
75
67
46
23
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
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
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
4
8
10
9
9
10
8
3
1
78
74
67
63
52
31
33
29
12
22
25
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.4
0.3
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
15
18
19
19
20
19
18
19
18
18
18
17
16
16
16
16
16
16
13
13
12
13
12

Dew Point (°C)

5
7
7
7
7
8
8
8
8
8
9
10
10
9
9
9
8
8
8
8
8
8
8
7

Relative Humidity (%)

51
52
46
40
39
39
41
39
40
43
47
54
61
61
60
61
61
64
64
67
68
69
64
60

Pressure (mb)

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

Ozone (du)

347
347
347
348
348
348
348
348
349
349
349
349
351
351
351
351
349
348
346
347
348
349
348
348

Thursday 30

Waxing Gibbous 99%

19:13

05:32

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:05, Set: 20:07, Transit: 13:07. Moon - Rise: 19:13, Set: 05:32. Civil Dark: 20:37 - 05:35. Nautical Dark: 21:14 - 04:57. Astro Dark: 21:55 - 04:17

Total Clouds (% Sky Obscured)

79
86
94
94
94
94
95
96
97
89
82
75
77
82
87
89
92
95
95
97
99
100
100
100

Low Clouds (% Sky Obscured)

68
68
68
74
81
91
93
94
93
87
79
61
60
66
75
80
83
91
86
94
98
97
96
95

Medium Clouds (% Sky Obscured)

42
49
54
64
72
82
87
89
94
89
82
75
77
82
87
89
92
94
94
95
97
95
96
100

High Clouds (% Sky Obscured)

28
45
62
64
66
91
92
89
86
89
82
75
77
82
87
85
87
90
85
85
85
86
91
96

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
5
6
6
7
8
8
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
Very Light Rain
Light Rain
Very Light Rain
None
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

51
57
66
69
67
54
77
85
75
79
71
51
46
47
47
62
76
93
91
95
93
83
72
54

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
18
19
19
20
20
19
18
18
17
17
17
16
15
14
14
13
13
13
12
12
12
12

Feels Like (°C)

12
16
15
16
16
18
19
18
18
18
17
17
16
14
15
15
15
14
14
12
12
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

56
51
46
41
44
47
49
55
63
72
74
77
79
81
85
86
87
90
92
92
93
93
92
89

Pressure (mb)

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

Ozone (du)

347
347
347
347
348
349
350
352
354
356
358
360
362
364
365
366
366
366
366
368
371
373
376
379

Friday 1

Full Moon 100%

20:18

05:58

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
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:04, Set: 20:08, Transit: 13:07. Moon - Rise: 20:18, Set: 05:58. Civil Dark: 20:39 - 05:33. Nautical Dark: 21:16 - 04:56. Astro Dark: 21:56 - 04:15

Total Clouds (% Sky Obscured)

100
100
100
90
79
69
65
66
66
58
51
44
43
48
58
52
46
40

Low Clouds (% Sky Obscured)

85
75
65
65
65
66
61
57
52
46
39
28
36
46
56
50
44
38

Medium Clouds (% Sky Obscured)

100
100
100
68
36
3
3
2
2
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

95
100
100
67
33
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
8
7
6
7
7
8
8
9

Fog (%)

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
Very Light Rain
None
Light Rain
Light Rain

Precipitation Probability (%)

48
33
8
17
20
17
27
28
18
26
37
22
25
36
41
44
59
62

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
14
15
17
17
18
18
18
18
18
17
16
15
14
14
13
12
12

Feels Like (°C)

12
12
13
13
14
15
16
17
16
16
16
16
16
13
13
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

87
75
65
57
58
59
60
60
59
58
64
71
79
82
84
89
87
87

Pressure (mb)

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

Ozone (du)

382
386
390
395
396
398
399
397
395
393
394
395
396
398
400
402
403
405

Forecast for Testaccio, Province of Rome, Italy (41.86,12.48)

Generated: 25/04/26 08:07:28. Forecast: 25/04/26 to 01/05/26. Timezone: UTC+2.00