Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Crescent 12%

10:07

19:54

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

Sun - Rise: 07:33, Set: 16:40, Transit: 12:07. Moon - Rise: 10:07, Set: 19:54. Civil Dark: 17:12 - 07:01. Nautical Dark: 17:47 - 06:27. Astro Dark: 18:21 - 05:53

Total Clouds (% Sky Obscured)

80
85
88
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
41
15

Low Clouds (% Sky Obscured)

80
85
86
53
25
39
70
68
70
77
80
79
78
95
95
100
94
91
78
79
69
59
41
15

Medium Clouds (% Sky Obscured)

80
85
88
73
33
100
100
100
100
100
100
100
100
100
100
100
53
100
100
100
100
95
41
15

High Clouds (% Sky Obscured)

80
85
88
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
31
100
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
20
35
0
0
0
0
0
90
0
0
1
2
0
0

Precipitation Type

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

Precipitation Probability (%)

94
95
77
27
35
80
95
95
95
95
95
95
95
95
95
95
95
95
88
95
80
51
52
84

Precipitation Amount (mm)

0.7
1.1
0.3
0
0
0.4
1.5
1.7
0.8
0.8
1.2
1
1
0.6
0.8
1.1
1.7
1.1
0.2
1.2
0.3
0
0
0.4

Wind Speed/Direction (mph)

12
8
8
8
6
5
4
4
2
2
2
3
3
3
3
3
3
4
6
6
7
7
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
93
93
87
82
78
81
96
98
98
98
96
93
94
96
94
96
98
94
94
93
93
93
93

Pressure (mb)

1010
1010
1011
1010
1010
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1005
1006
1005
1005
1004
1003
1004

Ozone (du)

359
360
365
371
379
389
389
387
386
386
393
398
401
402
403
404
407
411
415
418
422
426
430
434

Wednesday 24

Waxing Crescent 19%

10:33

21:02

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

Sun - Rise: 07:33, Set: 16:41, Transit: 12:07. Moon - Rise: 10:33, Set: 21:02. Civil Dark: 17:12 - 07:02. Nautical Dark: 17:48 - 06:27. Astro Dark: 18:22 - 05:53

Total Clouds (% Sky Obscured)

19
82
95
93
93
98
92
92
91
95
91
89
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
82
90
86
93
95
92
92
91
95
91
89
94
86
94
97
100
85
88
100
96
89
52
49

Medium Clouds (% Sky Obscured)

19
82
84
75
92
98
92
92
91
45
83
75
82
100
100
100
100
100
100
75
74
100
100
100

High Clouds (% Sky Obscured)

0
4
73
65
4
0
4
5
5
5
11
35
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

6
6
16
2
32
14
100
100
100
100
95
1
2
15
1
20
45
25
17
13
14
2
6
0

Precipitation Type

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

Precipitation Probability (%)

95
95
85
71
80
93
95
95
95
95
87
95
95
95
95
95
95
95
95
86
70
52
35
28

Precipitation Amount (mm)

1.6
1.3
0.3
0
0.2
0.4
0.5
0.5
0.8
0.5
0.2
0.8
1.9
2.6
3.5
2.4
2.8
3.4
1.5
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
-0
-0
2
3
3
3
3
3
4
2
3
1
2
2
2
1
1
2
1
1
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
96
96
96
98
98
96
98
96
98
96
94
96
96
96
96
96
96
96
93
94
94

Pressure (mb)

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

Ozone (du)

432
426
425
425
429
431
429
427
428
427
426
423
418
421
420
420
417
417
419
418
419
421
423
423

Thursday 25

Waxing Crescent 28%

10:56

22:10

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

Sun - Rise: 07:34, Set: 16:41, Transit: 12:08. Moon - Rise: 10:56, Set: 22:10. Civil Dark: 17:13 - 07:02. Nautical Dark: 17:48 - 06:27. Astro Dark: 18:22 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
87
92
93
93
83
87
76
70
59
70
75
40
49
63
75
75
75
75

Low Clouds (% Sky Obscured)

47
39
32
26
26
18
11
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
73
100
49
45
40
40
40
40
30
34
34
30
30
9
30
40
22
18
9
0
6
9
11

High Clouds (% Sky Obscured)

100
100
100
100
100
100
87
92
93
93
83
87
76
70
59
70
75
0
32
63
75
75
75
75

ISS Passover

Visibility (miles)

2
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

27
68
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 (%)

22
21
20
17
14
10
8
5
3
1
1
0
0
0
0
0
0
0
1
1
2
5
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
88
81
75
74
74
79
88
90
88
88
88
88
88
86
88
86
86
86
88
89
89

Pressure (mb)

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

Ozone (du)

423
424
424
421
420
416
413
410
408
410
413
414
413
416
417
418
416
418
421
421
421
418
415
412

Friday 26

Waxing Crescent 38%

11:17

23:18

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

Sun - Rise: 07:34, Set: 16:42, Transit: 12:08. Moon - Rise: 11:17, Set: 23:18. Civil Dark: 17:14 - 07:02. Nautical Dark: 17:49 - 06:28. Astro Dark: 18:23 - 05:54

Total Clouds (% Sky Obscured)

75
75
70
70
69
69
65
54
42
59
55
50
37
32
32
32
30
2
0
12
60
60
8
4

Low Clouds (% Sky Obscured)

0
0
0
10
23
34
30
25
18
17
16
14
10
4
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

13
13
13
17
22
24
24
23
23
20
18
14
9
6
2
1
1
0
0
0
0
0
5
3

High Clouds (% Sky Obscured)

75
75
70
70
69
69
53
26
0
30
35
45
37
32
32
32
30
2
0
12
60
60
8
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
87
79
74
72
70
70
75
87
90
88
88
86
88
86
86
86
89
88
88
88
86
86

Pressure (mb)

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

Ozone (du)

411
410
409
406
403
399
396
391
388
381
377
372
368
365
363
361
359
355
353
349
347
346
343
339

Saturday 27

First Quarter 49%

11:38

00:28

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
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 07:34, Set: 16:43, Transit: 12:09. Moon - Rise: 11:38, Set: 00:28. Civil Dark: 17:14 - 07:03. Nautical Dark: 17:50 - 06:28. Astro Dark: 18:24 - 05:54

Total Clouds (% Sky Obscured)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
79
70
63
60
59
60
69
79
82
82
79
77
76
76
74
74
73
73
74
74
74
77

Pressure (mb)

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

Ozone (du)

337
334
331
328
328
327
326
323
321
320
320
320
320
320
321
321
321
321
321
321
321
321
323
324

Sunday 28

Waxing Gibbous 61%

12:00

01:42

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
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 07:35, Set: 16:44, Transit: 12:09. Moon - Rise: 12:00, Set: 01:42. Civil Dark: 17:15 - 07:03. Nautical Dark: 17:50 - 06:28. Astro Dark: 18:24 - 05:54

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
4
5
5
6
4
5
6
6
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
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
2
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
1
1
1
4
4
6
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
2
2
3
5
5
10
10
9
9
8
7
2
1
1
1
1
1
-1
-1
-1
-1
-1

Dew Point (°C)

-2
-1
-1
-0
-0
1
1
2
3
4
2
1
-1
-2
-2
-3
-2
-2
-2
-2
-3
-3
-3
-4

Relative Humidity (%)

77
72
67
63
59
58
55
62
69
78
78
79
79
78
76
76
78
81
84
80
77
75
74
71

Pressure (mb)

1019
1018
1018
1018
1017
1016
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

325
327
330
332
329
326
323
319
315
310
309
308
306
307
307
308
308
308
308
308
308
309
310
311

Monday 29

Waxing Gibbous 72%

12:25

02:59

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
22 Good
23 Good
00 Good

Sun - Rise: 07:35, Set: 16:44, Transit: 12:10. Moon - Rise: 12:25, Set: 02:59. Civil Dark: 17:16 - 07:03. Nautical Dark: 17:51 - 06:28. Astro Dark: 18:25 - 05:54

Total Clouds (% Sky Obscured)

6
5
6
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

3
2
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

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
None
None
None
None

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-3
-2
-1
1
1
2
3
4
4
3
2
1
1
1
0
-1
-1

Relative Humidity (%)

69
68
67
66
65
64
63
69
75
82
85
88
91
91
91
89
89
89

Pressure (mb)

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

Ozone (du)

312
313
314
315
314
313
311
309
306
304
303
301
300
300
300
300
301
301

Forecast for Cervara di Roma, Province of Rome, Italy (41.99,13.07)

Generated: 23/12/25 07:47:45. Forecast: 23/12/25 to 29/12/25. Timezone: UTC+1.00