Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

Waxing Crescent 55%

12:52

23:10

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

Sun - Rise: 07:13, Set: 16:38, Transit: 11:55. Moon - Rise: 12:52, Set: 23:10. Civil Dark: 17:09 - 06:42. Nautical Dark: 17:43 - 06:08. Astro Dark: 18:17 - 05:34

Total Clouds (% Sky Obscured)

50
45
27
17
3
10
24
40
91
23
65
94
61
100
95
100
100
59
2
4
2
16
2
1

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

50
4
27
17
3
3
11
28
91
23
65
94
61
99
95
100
100
59
2
4
2
0
0
0

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
7
0
0
2
0
0
0
29
11
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 (%)

2
1
48
27
0
0
0
0
2
1
0
1
0
12
3
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
3
3
3
6
5
5
7
13
12
2
2
1
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)

15
11
10
9
6
6
5
5
5
5
6
6
5
5
5
5
5
5
5
4
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
86
88
86
86
86
86
83
83
83
82
80
76
68
64
61
57
56
61
75
83
86

Pressure (mb)

1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1014
1015
1015

Ozone (du)

353
355
356
358
358
358
355
355
353
351
351
349
348
346
344
343
341
340
340
337
334
333
332
331

Friday 28

First Quarter 52%

13:13

00:19

19 Good
20 OK
21 Good
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 OK
15 OK
16 Good
17 OK
18 OK

Sun - Rise: 07:14, Set: 16:37, Transit: 11:56. Moon - Rise: 13:13, Set: 00:19. Civil Dark: 17:08 - 06:43. Nautical Dark: 17:43 - 06:09. Astro Dark: 18:16 - 05:35

Total Clouds (% Sky Obscured)

7
25
15
15
2
3
2
2
2
0
0
0
0
0
0
1
4
1
14
25
36
15
25
15

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
1
15
15
2
3
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
4
25
24
0
12
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
-0
-1
-1
-2
-2
-2
-2
-2
-2
-2
-3
-2
-2
-1
1
1
2
3
4
6
5
3

Relative Humidity (%)

88
88
86
84
83
84
83
84
84
83
83
83
81
78
68
61
61
59
60
64
69
82
90
89

Pressure (mb)

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

Ozone (du)

329
328
326
325
326
324
324
323
323
323
325
322
312
309
304
297
293
292
290
288
285
284
284
284

Saturday 29

Waxing Gibbous 66%

13:35

01:30

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

Sun - Rise: 07:15, Set: 16:37, Transit: 11:56. Moon - Rise: 13:35, Set: 01:30. Civil Dark: 17:08 - 06:44. Nautical Dark: 17:43 - 06:10. Astro Dark: 18:16 - 05:36

Total Clouds (% Sky Obscured)

15
2
1
1
0
0
0
0
2
20
20
15
25
30
35
30
25
27
31
26
26
47
69
90

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
20
20
15
25
30
35
30
25
27
31
26
26
40
35
40

Medium Clouds (% Sky Obscured)

15
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
3
6
31
26
2
17
59
90

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
2
10
10
10
3
5
5
1
1
29
56
84

ISS Passover

Visibility (miles)

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

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
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
4
22
4
31
36
33
17
8
24
28
33
39
40
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
91
89
89
86
83
78
67
56
66
75
80
83
88
88
87
88
87
88
91
94
94

Pressure (mb)

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

Ozone (du)

284
286
288
289
286
282
282
284
280
274
272
272
273
274
275
278
280
281
281
283
282
283
281
280

Sunday 30

Waxing Gibbous 76%

13:59

02:44

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
17 Bad
18 Bad

Sun - Rise: 07:16, Set: 16:37, Transit: 11:56. Moon - Rise: 13:59, Set: 02:44. Civil Dark: 17:08 - 06:45. Nautical Dark: 17:42 - 06:10. Astro Dark: 18:16 - 05:37

Total Clouds (% Sky Obscured)

93
97
100
100
100
100
100
100
100
99
98
96
97
98
99
97
96
94
91
91
90
90
91
92

Low Clouds (% Sky Obscured)

40
50
60
55
2
2
2
2
3
2
19
25
20
30
35
45
40
50
50
50
31
30
25
15

Medium Clouds (% Sky Obscured)

83
68
24
29
40
51
45
52
54
51
55
76
86
92
99
97
96
79
39
43
39
30
25
37

High Clouds (% Sky Obscured)

89
93
98
98
99
100
100
100
100
97
95
94
96
97
99
96
94
90
82
80
82
82
85
86

ISS Passover

Visibility (miles)

7
5
7
9
9
9
9
9
9
9
9
9
5
5
7
8
3
4
2
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
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

40
34
20
14
2
0
0
1
2
5
16
44
68
75
71
88
95
59
17
23
11
7
19
2

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0.8
1.4
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
96
94
94
94
93
93
91
91
89
91
93
94
93
96
98
96
95
95
94
96
96

Pressure (mb)

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

Ozone (du)

280
281
284
286
288
290
291
293
295
297
299
300
304
306
308
311
312
313
315
317
320
322
324
326

Monday 1

Waxing Gibbous 86%

14:27

04:02

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 OK
08 OK
09 Good
10 Good
11 Good
12 Good
13 OK
14 OK
15 OK
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:17, Set: 16:36, Transit: 11:57. Moon - Rise: 14:27, Set: 04:02. Civil Dark: 17:08 - 06:46. Nautical Dark: 17:42 - 06:11. Astro Dark: 18:16 - 05:38

Total Clouds (% Sky Obscured)

95
97
100
98
95
90
92
86
92
53
51
46
15
13
11
9
8
7
12
14
24
34
43
50

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
14
28
42
42
42
41
10
6
3
6
8
7
12
14
24
34
40
35

Medium Clouds (% Sky Obscured)

91
92
92
93
95
90
69
54
41
20
15
14
5
5
5
4
2
1
1
2
2
12
23
35

High Clouds (% Sky Obscured)

90
95
100
97
91
82
75
61
68
14
12
12
5
5
5
3
2
0
0
0
0
12
22
30

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 (%)

2
3
1
1
1
0
1
2
1
2
3
2
5
7
1
8
10
7
16
20
21
18
16
6

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

Chance of Frost

Temperature (°C)

5
5
5
4
4
4
3
4
4
4
4
3
4
6
7
8
9
10
11
10
10
9
9
7

Feels Like (°C)

4
3
2
2
2
2
1
1
1
2
3
3
3
5
5
5
6
7
8
11
11
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
94
94
94
94
94
94
93
93
91
93
90
87
84
81
77
73
78
84
88
90
91

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020

Ozone (du)

326
328
331
334
334
333
333
333
336
336
334
334
332
330
329
327
327
327
328
325
323
321
319
318

Tuesday 2

Waxing Gibbous 93%

15:02

05:25

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 OK
08 OK
09 Good
10 OK
11 OK
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 OK
18 OK

Sun - Rise: 07:18, Set: 16:36, Transit: 11:57. Moon - Rise: 15:02, Set: 05:25. Civil Dark: 17:07 - 06:47. Nautical Dark: 17:42 - 06:12. Astro Dark: 18:16 - 05:39

Total Clouds (% Sky Obscured)

50
56
60
66
70
75
68
61
60
51
42
35
26
18
10
25
34
37
37
42
53
42
31
21

Low Clouds (% Sky Obscured)

21
11
5
18
30
34
34
33
38
33
27
18
15
11
8
11
14
15
25
37
49
36
23
12

Medium Clouds (% Sky Obscured)

50
56
60
66
70
75
68
61
60
51
42
33
23
13
3
3
3
3
4
6
5
5
5
5

High Clouds (% Sky Obscured)

34
35
50
36
27
13
3
3
3
2
1
0
0
0
0
0
3
5
3
2
0
4
8
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
5
3
5
7
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 (%)

11
19
10
22
28
23
35
41
40
42
34
12
10
7
3
8
11
6
13
15
5
12
16
4

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
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
7
7
7
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
4
4
4
4
4
4
2
2
3
3
3
2
3
4
5
6
6
7
10
11
10
10
9

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
91
91
93
91
91
91
91
91
89
89
85
82
79
76
71
68
73
78
84
87
87

Pressure (mb)

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

Ozone (du)

317
315
313
311
307
302
298
297
296
296
296
295
295
295
296
297
299
301
303
304
305
306
307
308

Wednesday 3

Waxing Gibbous 98%

15:47

06:49

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

Sun - Rise: 07:19, Set: 16:36, Transit: 11:58. Moon - Rise: 15:47, Set: 06:49. Civil Dark: 17:07 - 06:48. Nautical Dark: 17:42 - 06:13. Astro Dark: 18:16 - 05:39

Total Clouds (% Sky Obscured)

37
53
67
77
85
94
84
80
82
88
94
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

13
14
13
11
10
10
11
12
10
10
10
8
25
45
68
76
84
92

Medium Clouds (% Sky Obscured)

13
17
21
42
60
81
59
36
14
15
12
8
7
6
5
15
25
35

High Clouds (% Sky Obscured)

26
46
67
75
79
80
69
71
76
84
93
100
97
92
88
92
97
100

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 (%)

10
12
7
15
26
10
23
33
12
24
30
14
19
27
19
28
30
30

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)

6
6
6
6
6
6
6
6
6
6
6
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
6
5
5
5
5
4
3
3
4
4
4
4
4
4
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

88
88
86
86
88
90
93
93
93
94
93
94
93
91
90
90
85
80

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1012

Ozone (du)

309
310
311
313
313
313
313
313
314
314
315
316
317
318
318
319
319
318

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

Generated: 27/11/25 19:50:00. Forecast: 27/11/25 to 03/12/25. Timezone: UTC+1.00