Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 31

Waxing Gibbous 99%

19:13

06:23

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:51, Set: 19:35, Transit: 13:13. Moon - Rise: 19:13, Set: 06:23. Civil Dark: 20:03 - 06:23. Nautical Dark: 20:37 - 05:50. Astro Dark: 21:11 - 05:16

Total Clouds (% Sky Obscured)

71
78
83
87
100
100
89
100
100
100
100
100
100
100
100
100
100
100
100
96
100
99
100
100

Low Clouds (% Sky Obscured)

1
0
4
2
0
0
1
1
0
1
2
2
0
5
11
28
7
15
46
40
22
30
43
43

Medium Clouds (% Sky Obscured)

71
78
83
71
81
76
63
100
100
100
100
97
99
70
61
100
93
100
93
74
92
96
100
89

High Clouds (% Sky Obscured)

40
78
83
87
100
100
89
100
100
100
100
100
100
100
100
100
100
100
100
90
100
99
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
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 (%)

48
29
5
4
4
4
4
3
2
2
2
2
2
3
3
4
3
4
4
6
3
3
2
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
48
49
50
56
57
54
56
56
55
58
57
58
55
52
48
48
50
59
65
63
66
66
67

Pressure (mb)

1003
1003
1003
1003
1002
1002
1002
1001
1001
1001
1002
1002
1002
1002
1002
1001
1001
1000
1000
1000
1000
1000
1000
1001

Ozone (du)

442
442
444
447
446
447
451
451
455
454
453
454
455
453
451
451
449
452
456
464
464
459
448
448

Wednesday 1

Waxing Gibbous 100%

20:19

06:43

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:50, Set: 19:36, Transit: 13:13. Moon - Rise: 20:19, Set: 06:43. Civil Dark: 20:04 - 06:22. Nautical Dark: 20:38 - 05:48. Astro Dark: 21:12 - 05:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
91
87
89
100
100
100
100
100

Low Clouds (% Sky Obscured)

67
37
29
31
18
25
50
19
4
31
48
31
5
6
5
4
2
5
46
31
19
44
50
48

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
100
80
100
100
92
88
87
89
89
91
95
94
81

High Clouds (% Sky Obscured)

100
100
100
3
100
100
100
100
0
0
77
100
100
100
100
100
7
6
12
100
100
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
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 (%)

6
8
12
30
20
14
42
38
32
7
12
9
13
3
2
8
21
19
10
3
2
1
4
5

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)

11
11
12
13
13
12
12
13
12
11
11
12
11
11
10
11
11
10
12
12
12
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
4
4
4
4
4
4
4
4
4
4
5
5
4
4
5
4
4
4
5
6
6
6
6

Relative Humidity (%)

69
69
67
68
69
69
68
67
67
69
69
71
66
58
50
50
47
43
45
49
55
59
63
67

Pressure (mb)

1001
1000
1000
1000
999
999
998
998
998
998
998
998
999
999
998
998
998
998
998
998
999
1000
1000
1001

Ozone (du)

442
434
426
423
421
417
417
418
421
424
427
427
426
423
415
416
413
409
406
404
404
398
394
383

Thursday 2

Full Moon 99%

21:24

07:04

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

Sun - Rise: 06:48, Set: 19:37, Transit: 13:13. Moon - Rise: 21:24, Set: 07:04. Civil Dark: 20:06 - 06:20. Nautical Dark: 20:39 - 05:46. Astro Dark: 21:14 - 05:12

Total Clouds (% Sky Obscured)

100
99
99
100
100
99
98
98
99
99
99
100
98
70
39
39
81
67
70
85
50
27
32
26

Low Clouds (% Sky Obscured)

47
46
59
59
57
38
35
36
2
8
18
4
3
3
1
14
36
21
14
0
0
3
3
3

Medium Clouds (% Sky Obscured)

76
62
84
78
66
84
89
86
83
83
94
95
87
51
36
4
38
34
59
84
40
15
6
6

High Clouds (% Sky Obscured)

100
99
99
100
100
99
98
86
95
99
99
100
98
56
2
6
24
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 (%)

7
12
15
11
7
5
1
1
0
0
0
0
0
0
1
0
0
6
7
5
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)

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

Chance of Frost

Temperature (°C)

11
10
10
10
10
9
9
9
9
9
10
11
13
15
17
18
19
19
19
18
17
16
14
13

Feels Like (°C)

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

Dew Point (°C)

6
6
6
5
5
5
5
5
5
5
5
6
5
6
5
6
6
6
6
7
7
8
7
7

Relative Humidity (%)

71
73
73
72
71
72
73
76
76
78
74
67
59
53
47
45
43
42
44
47
50
57
62
63

Pressure (mb)

1002
1002
1003
1003
1003
1004
1004
1005
1005
1006
1007
1008
1008
1009
1009
1009
1009
1009
1009
1010
1011
1011
1012
1013

Ozone (du)

377
375
374
369
368
367
366
367
370
371
372
370
373
371
368
364
361
359
360
360
359
358
361
360

Friday 3

Waning Gibbous 96%

No Rise

07:28

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

Sun - Rise: 06:46, Set: 19:39, Transit: 13:12. Moon - Rise: No Rise, Set: 07:28. Civil Dark: 20:07 - 06:18. Nautical Dark: 20:40 - 05:45. Astro Dark: 21:15 - 05:10

Total Clouds (% Sky Obscured)

25
17
1
0
1
1
0
0
0
0
0
0
0
0
0
0
16
32
49
35
16
0
0
0

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

7
3
0
0
1
1
0
0
0
0
0
0
0
0
0
0
9
23
34
26
16
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
1
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
5
5
5
5
5
5
5
5
5
5
5
4
3
3
4
4
5
7
7
6
4
3

Chance of Frost

Temperature (°C)

12
12
11
11
10
10
9
9
9
9
9
12
14
17
18
19
20
20
20
19
18
16
14
13

Feels Like (°C)

10
9
10
10
10
9
9
8
8
8
9
11
14
17
18
19
20
20
19
18
17
15
14
14

Dew Point (°C)

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

Relative Humidity (%)

65
67
68
69
72
74
76
74
73
72
66
55
48
41
34
32
33
33
35
41
50
63
71
75

Pressure (mb)

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

Ozone (du)

357
353
353
355
355
353
352
354
356
356
357
357
357
355
354
353
352
351
350
348
348
348
347
347

Saturday 4

Waning Gibbous 92%

22:30

07:56

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

Sun - Rise: 06:45, Set: 19:40, Transit: 13:12. Moon - Rise: 22:30, Set: 07:56. Civil Dark: 20:08 - 06:16. Nautical Dark: 20:42 - 05:43. Astro Dark: 21:17 - 05:08

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
3
2
2
1
6
9

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
2
2
1
1
0
0
1
6
7

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)

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

Chance of Frost

Temperature (°C)

12
12
11
11
10
10
9
9
9
9
10
12
15
17
18
19
19
19
18
18
17
15
14
13

Feels Like (°C)

13
13
12
11
11
9
9
8
8
8
9
12
16
18
18
18
18
18
18
18
17
18
17
13

Dew Point (°C)

9
9
8
7
5
4
3
2
2
1
2
2
4
6
6
6
7
7
7
8
9
9
10
10

Relative Humidity (%)

79
80
79
75
71
66
64
61
60
60
57
51
49
48
46
43
43
45
48
52
59
67
76
79

Pressure (mb)

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

Ozone (du)

348
347
346
346
346
345
344
343
342
345
347
349
350
351
352
351
350
351
352
353
355
357
359
362

Sunday 5

Waning Gibbous 85%

23:34

08:29

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

Sun - Rise: 06:43, Set: 19:41, Transit: 13:12. Moon - Rise: 23:34, Set: 08:29. Civil Dark: 20:09 - 06:15. Nautical Dark: 20:43 - 05:41. Astro Dark: 21:18 - 05:06

Total Clouds (% Sky Obscured)

12
11
11
11
10
9
8
7
6
5
11
14
18
21
21
24
18
12
5
9
14
18
22
31

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
10
13
25

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
3
3
7
12
12
8
7

High Clouds (% Sky Obscured)

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

2
2
2
3
3
3
3
4
3
3
3
3
3
3
4
6
8
8
8
8
6
5
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
83
81
80
81
81
80
77
76
73
64
57
50
50
49
48
49
52
53
58
64
70
72

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025

Ozone (du)

364
367
367
367
367
364
362
359
357
354
352
350
349
348
346
344
342
342
342
342
343
344
344
345

Monday 6

Waning Gibbous 78%

00:36

09:10

22 OK
23 OK
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
16 Good
17 Good
18 Good
19 Good

Sun - Rise: 06:41, Set: 19:42, Transit: 13:12. Moon - Rise: 00:36, Set: 09:10. Civil Dark: 20:10 - 06:13. Nautical Dark: 20:44 - 05:39. Astro Dark: 21:19 - 05:04

Total Clouds (% Sky Obscured)

26
23
19
10
6
7
9
8
9
7
5
3
2
1
1
0
2
3
4
7
11
15

Low Clouds (% Sky Obscured)

26
23
19
10
4
0
0
2
2
2
1
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
2
3
5
5
5
5
4
3
2
1
0
0
1
3
4
7
11
15

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

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

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

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
12
12
11
11
10
10
10
11
11
13
15
18
18
19
20
19
19
18
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
79
79
80
80
80
80
81
80
77
75
66
59
53
51
48
46
48
48
50
55
60

Pressure (mb)

1025
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1022
1022

Ozone (du)

345
345
345
344
343
343
343
344
343
343
343
343
343
342
343
343
343
343
343
343
343
343

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

Generated: 31/03/26 22:48:25. Forecast: 31/03/26 to 06/04/26. Timezone: UTC+2.00