Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 6%

04:13

17:56

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

Sun - Rise: 06:57, Set: 19:16, Transit: 13:06. Moon - Rise: 04:13, Set: 17:56. Civil Dark: 19:44 - 06:29. Nautical Dark: 20:17 - 05:57. Astro Dark: 20:51 - 05:23

Total Clouds (% Sky Obscured)

15
12
10
1
17
26
44
57
58
45
27
50
35
5
10
10
14
6
2
3
2
14
14
35

Low Clouds (% Sky Obscured)

0
0
0
0
3
0
0
2
6
4
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
11
26
41
53
49
32
22
50
32
0
0
0
0
0
0
0
0
8
14
35

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
2
5
0
0
0
0
0
8
4
1
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)

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

Chance of Frost

Temperature (°C)

25
25
26
26
26
25
24
23
23
23
23
22
22
22
22
21
21
21
21
21
23
25
26
27

Feels Like (°C)

27
27
27
28
27
27
26
25
27
27
26
26
23
23
22
21
21
21
21
22
24
27
28
28

Dew Point (°C)

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

Relative Humidity (%)

52
56
58
58
63
69
74
80
79
76
74
74
73
72
69
67
62
59
58
55
49
45
41
42

Pressure (mb)

1024
1024
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1024
1024
1025
1025
1025
1025

Ozone (du)

272
271
270
271
271
270
269
267
267
266
266
267
268
268
268
267
267
267
267
267
266
266
265
265

Friday 19

Waning Crescent 2%

05:21

18:20

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

Sun - Rise: 06:58, Set: 19:14, Transit: 13:06. Moon - Rise: 05:21, Set: 18:20. Civil Dark: 19:42 - 06:30. Nautical Dark: 20:15 - 05:58. Astro Dark: 20:49 - 05:24

Total Clouds (% Sky Obscured)

60
75
76
36
10
10
10
69
96
77
16
11
14
43
26
20
20
11
10
5
2
1
3
24

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)

60
75
76
35
0
0
0
66
96
77
7
2
0
33
13
0
0
1
10
5
1
0
2
11

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
18
37
36
23
7

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

Chance of Frost

Temperature (°C)

27
27
27
26
26
25
24
24
23
23
23
23
22
22
22
22
22
21
21
22
24
25
27
27

Feels Like (°C)

27
27
28
27
27
26
25
25
25
25
24
23
23
22
22
22
22
21
21
23
26
28
28
27

Dew Point (°C)

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

Relative Humidity (%)

47
51
50
49
49
53
60
61
62
60
58
57
55
54
54
54
54
55
55
54
49
45
41
41

Pressure (mb)

1025
1025
1025
1024
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

266
266
266
266
266
267
267
266
266
266
266
266
267
267
267
267
266
267
267
267
267
268
268
269

Saturday 20

Waning Crescent 0%

06:27

18:40

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

Sun - Rise: 06:59, Set: 19:13, Transit: 13:05. Moon - Rise: 06:27, Set: 18:40. Civil Dark: 19:41 - 06:32. Nautical Dark: 20:13 - 05:59. Astro Dark: 20:47 - 05:25

Total Clouds (% Sky Obscured)

21
38
40
48
64
64
46
41
61
77
76
56
28
35
45
68
76
72
49
42
35
27
18
15

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)

13
22
23
42
63
64
46
41
61
77
76
56
28
10
45
68
76
72
49
42
35
27
18
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
9
9

Fog (%)

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

Chance of Frost

Temperature (°C)

27
27
27
26
26
25
24
23
23
23
22
22
21
21
21
21
20
20
20
21
23
24
25
26

Feels Like (°C)

27
27
27
26
26
26
25
26
26
26
25
24
24
23
22
22
22
22
21
22
25
26
27
27

Dew Point (°C)

13
13
14
14
15
16
17
16
16
15
15
15
14
13
13
12
12
12
11
12
12
13
14
15

Relative Humidity (%)

43
43
44
46
51
56
62
64
64
63
63
64
62
60
59
58
58
57
57
56
50
50
49
50

Pressure (mb)

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

Ozone (du)

270
270
270
270
270
271
271
271
272
272
273
274
274
274
274
274
275
275
276
276
277
277
278
278

Sunday 21

New Moon 0%

07:30

18:59

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

Sun - Rise: 07:00, Set: 19:11, Transit: 13:05. Moon - Rise: 07:30, Set: 18:59. Civil Dark: 19:39 - 06:33. Nautical Dark: 20:12 - 06:00. Astro Dark: 20:45 - 05:27

Total Clouds (% Sky Obscured)

10
19
44
49
39
55
42
38
57
59
26
29
32
28
37
26
28
36
26
19
18
56
19
13

Low Clouds (% Sky Obscured)

0
8
15
23
22
19
21
22
18
18
20
24
25
25
22
19
23
29
26
19
18
20
19
13

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)

9
7
18
9
2
14
2
1
26
37
2
3
6
4
16
5
3
12
3
0
2
56
6
2

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
1
0
5
5
3
9
8
3
6
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)

7
9
9
9
9
8
6
5
5
4
4
4
5
5
5
6
6
6
6
6
7
9
12
13

Chance of Frost

Temperature (°C)

26
26
26
26
25
24
23
23
22
22
22
21
21
21
20
20
20
20
20
21
22
24
25
25

Feels Like (°C)

27
27
27
27
26
26
26
26
25
23
22
24
24
23
23
23
22
22
23
24
25
25
25
24

Dew Point (°C)

16
17
17
17
17
17
19
19
18
18
17
17
17
17
17
17
17
17
18
17
17
17
18
17

Relative Humidity (%)

54
56
56
58
59
64
75
79
78
78
76
79
80
80
80
81
82
84
85
80
74
67
64
60

Pressure (mb)

1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

278
277
276
276
275
276
276
276
276
277
277
277
277
277
277
276
277
277
278
279
280
280
281
282

Monday 22

Waxing Crescent 0%

08:34

19:17

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

Sun - Rise: 07:01, Set: 19:09, Transit: 13:05. Moon - Rise: 08:34, Set: 19:17. Civil Dark: 19:37 - 06:34. Nautical Dark: 20:10 - 06:01. Astro Dark: 20:43 - 05:28

Total Clouds (% Sky Obscured)

18
63
61
65
48
47
40
92
95
98
93
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

18
21
20
16
16
20
21
20
19
21
23
24
26
34
34
36
48
60
70
75
83
87
92
92

Medium Clouds (% Sky Obscured)

0
1
1
1
1
2
2
4
91
93
77
64
82
78
74
70
80
91
100
100
100
100
100
100

High Clouds (% Sky Obscured)

6
55
55
50
29
29
24
81
81
47
52
95
100
100
100
100
100
100
100
100
100
100
90
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
9
9
9
9
9
8
6
4
4
4
3
3
3
3
3

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

1
3
4
0
2
4
12
48
34
20
23
23
34
59
72
82
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.9
1.1
2.1
2.9
3.4
3.5
3.4

Wind Speed/Direction (mph)

13
14
14
14
14
13
11
10
9
8
8
8
9
9
10
11
11
12
11
12
13
14
16
16

Chance of Frost

Temperature (°C)

25
26
25
25
25
24
23
23
22
22
22
22
22
22
22
21
21
21
21
21
21
21
21
21

Feels Like (°C)

25
25
24
24
23
24
23
23
23
24
23
23
23
22
22
22
22
22
21
22
20
20
20
21

Dew Point (°C)

17
18
18
18
19
19
19
20
20
20
20
20
20
20
20
19
19
19
19
20
19
19
20
20

Relative Humidity (%)

61
61
64
66
69
71
77
83
87
88
88
89
89
89
89
88
88
89
91
92
92
92
93
92

Pressure (mb)

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

Ozone (du)

284
284
284
284
284
284
285
285
285
285
286
285
285
285
285
286
286
287
287
288
289
290
290
290

Tuesday 23

Waxing Crescent 3%

09:37

19:36

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:02, Set: 19:07, Transit: 13:04. Moon - Rise: 09:37, Set: 19:36. Civil Dark: 19:35 - 06:35. Nautical Dark: 20:08 - 06:02. Astro Dark: 20:41 - 05:29

Total Clouds (% Sky Obscured)

100
98
95
94
96
98
100
100
99
99
98
98
97
82
68
53
41
27
11
14
20
25
19
13

Low Clouds (% Sky Obscured)

93
80
64
48
45
41
37
35
33
32
29
29
29
23
21
21
17
9
2
10
17
25
19
12

Medium Clouds (% Sky Obscured)

100
84
66
49
65
82
100
100
99
96
67
37
12
16
18
21
17
14
7
3
2
1
2
3

High Clouds (% Sky Obscured)

70
77
84
92
91
91
91
85
80
75
79
85
86
68
50
31
22
12
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
2
5
7
9
9
9
9
9
9
9
9
8
7
5
3
2
3
5
7
8
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

Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Ice pellet
Ice pellet
Ice pellet
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
None
None
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
93
91
90
95
95
95
95
95
95
81
66
44
53
55

Precipitation Amount (mm)

3.3
2.8
2.7
2.8
2.3
2.1
2.3
1.2
0.8
1.1
0.8
0.7
0.7
0.8
0.9
1
0.8
0.7
0.8
0.5
0.2
0
0
0.3

Wind Speed/Direction (mph)

16
16
17
18
19
17
15
14
13
11
10
9
8
7
6
6
6
5
5
6
7
8
9
9

Chance of Frost

Temperature (°C)

21
21
22
22
22
22
21
21
21
20
20
20
20
19
19
19
19
19
19
20
21
21
22
23

Feels Like (°C)

21
21
20
21
20
21
21
21
19
19
19
19
19
19
19
19
19
19
20
19
22
22
22
22

Dew Point (°C)

20
19
19
19
18
18
18
18
18
18
19
18
18
18
18
18
18
18
17
17
17
17
16
16

Relative Humidity (%)

91
88
85
81
78
80
83
85
86
88
89
89
92
92
92
92
92
91
88
86
81
74
68
66

Pressure (mb)

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

Ozone (du)

289
288
289
289
290
290
290
290
291
291
291
292
293
293
294
296
297
298
299
300
301
302
304
305

Wednesday 24

Waxing Crescent 7%

10:41

19:58

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

Sun - Rise: 07:04, Set: 19:06, Transit: 13:04. Moon - Rise: 10:41, Set: 19:58. Civil Dark: 19:33 - 06:36. Nautical Dark: 20:06 - 06:03. Astro Dark: 20:39 - 05:30

Total Clouds (% Sky Obscured)

7
5
4
2
13
24
35
54
73
92
78
64
50
36
21
10
12
11
11

Low Clouds (% Sky Obscured)

5
3
2
0
0
1
1
22
43
68
58
48
38
25
13
0
0
0
1

Medium Clouds (% Sky Obscured)

3
2
2
2
12
23
34
31
29
26
21
17
12
9
6
3
2
1
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

56
44
30
10
14
16
11
28
32
32
40
45
49
49
49
45
39
31
7

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
12
13
14
14
14
14
11
7
6
3
5
9
8
8
8
8
7

Chance of Frost

Temperature (°C)

23
23
23
22
22
21
21
20
20
19
19
18
18
17
17
17
16
16
16

Feels Like (°C)

23
24
24
23
23
22
21
21
17
17
17
17
17
17
16
16
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

63
61
62
62
63
63
62
61
64
67
70
73
77
81
82
83
85
83
82

Pressure (mb)

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

Ozone (du)

306
307
308
309
310
311
313
314
313
313
313
315
316
318
318
318
318
315
313

Forecast for Civitavecchia, Province of Rome, Italy (42.09,11.80)

Generated: 18/09/25 13:07:48. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00