Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

04:11

17:53

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

Sun - Rise: 06:55, Set: 19:13, Transit: 13:03. Moon - Rise: 04:11, Set: 17:53. Civil Dark: 19:41 - 06:27. Nautical Dark: 20:14 - 05:54. Astro Dark: 20:48 - 05:21

Total Clouds (% Sky Obscured)

1
1
0
30
16
27
31
23
12
10
14
13
26
31
31
35
73
76
87
69
50
41
33
22

Low Clouds (% Sky Obscured)

1
1
0
21
12
19
21
13
2
0
0
0
0
0
0
0
0
0
10
9
12
14
12
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
9
10
14
13
26
31
31
31
73
76
87
66
33
2
1
20

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)

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

Chance of Frost

Temperature (°C)

20
23
25
27
28
29
30
30
29
28
27
26
25
24
24
24
23
23
23
22
22
22
22
21

Feels Like (°C)

24
27
29
31
31
31
31
31
30
29
28
27
27
26
27
27
26
25
25
24
25
25
24
23

Dew Point (°C)

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

Relative Humidity (%)

63
59
55
50
45
42
40
40
43
48
50
57
62
61
63
64
65
64
65
64
64
65
64
63

Pressure (mb)

1022
1023
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1024

Ozone (du)

272
272
272
272
272
273
273
273
273
272
273
273
273
272
273
272
272
273
273
273
273
272
270
269

Friday 19

Waning Crescent 6%

05:18

18:16

08 Good
09 Good
10 Good
11 OK
12 OK
13 OK
14 Bad
15 Bad
16 OK
17 OK
18 OK
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: 06:56, Set: 19:12, Transit: 13:03. Moon - Rise: 05:18, Set: 18:16. Civil Dark: 19:39 - 06:28. Nautical Dark: 20:12 - 05:55. Astro Dark: 20:46 - 05:22

Total Clouds (% Sky Obscured)

8
4
3
21
31
41
60
51
38
39
30
15
14
2
3
7
7
2
2
3
3
2
2
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
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)

4
0
0
13
23
32
60
51
38
39
25
15
14
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
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
1
1
2
5
6
7
7
7
7
5
4
2
2
2
3
3
3
3
3
3
3
2
2

Chance of Frost

Temperature (°C)

22
24
26
28
29
30
30
30
30
29
28
26
25
25
24
24
23
23
23
23
23
22
22
22

Feels Like (°C)

25
27
29
30
30
30
30
30
31
30
30
28
28
28
27
26
25
25
25
25
25
25
25
25

Dew Point (°C)

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

Relative Humidity (%)

57
51
45
40
37
36
37
40
42
44
47
51
53
53
53
54
54
53
53
54
54
56
58
60

Pressure (mb)

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

Ozone (du)

269
268
268
268
269
269
270
271
271
271
270
269
268
267
266
266
267
267
268
268
268
269
268
268

Saturday 20

Waning Crescent 2%

06:24

18:37

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

Sun - Rise: 06:57, Set: 19:10, Transit: 13:03. Moon - Rise: 06:24, Set: 18:37. Civil Dark: 19:38 - 06:29. Nautical Dark: 20:10 - 05:56. Astro Dark: 20:44 - 05:23

Total Clouds (% Sky Obscured)

2
3
3
1
5
18
17
24
20
26
43
58
47
47
68
77
54
26
20
26
20
34
49
69

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
3
2
1
0
0
0
0

High Clouds (% Sky Obscured)

0
1
1
0
3
18
17
24
19
16
39
57
47
47
68
77
54
22
15
7
0
25
49
69

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

Chance of Frost

Temperature (°C)

23
25
27
28
30
30
30
30
30
29
28
26
25
25
24
24
23
23
23
22
22
22
22
22

Feels Like (°C)

26
28
30
30
31
31
30
31
30
29
27
27
26
27
26
25
25
24
24
24
23
22
23
23

Dew Point (°C)

14
14
14
14
14
13
13
13
13
13
13
13
14
13
13
13
12
12
12
11
11
11
11
11

Relative Humidity (%)

56
51
46
42
38
35
35
35
36
39
41
45
48
48
49
50
50
49
50
49
50
51
52
52

Pressure (mb)

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

Ozone (du)

268
269
270
270
270
270
271
271
271
271
271
271
272
273
273
273
272
273
274
274
274
275
276
276

Sunday 21

New Moon 0%

07:28

18:56

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

Sun - Rise: 06:58, Set: 19:08, Transit: 13:02. Moon - Rise: 07:28, Set: 18:56. Civil Dark: 19:36 - 06:30. Nautical Dark: 20:09 - 05:57. Astro Dark: 20:42 - 05:24

Total Clouds (% Sky Obscured)

63
63
59
62
51
48
35
17
2
5
7
8
11
17
23
16
21
3
6
8
10
10
10
11

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
5
10
17
13
6
0
3
6
9
10
10
11

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)

63
63
59
62
51
48
35
17
2
4
7
8
5
4
5
3
21
3
4
4
4
4
3
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
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
3
4
6
7
8
8
8
8
6
5
4
3
2
2
1
1
1
1
2
2
2
3

Chance of Frost

Temperature (°C)

22
24
26
27
28
29
29
29
28
27
26
25
24
24
23
23
22
22
22
21
21
21
21
21

Feels Like (°C)

24
25
27
27
28
29
29
29
28
28
28
28
26
26
26
27
26
25
25
26
25
24
24
24

Dew Point (°C)

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

Relative Humidity (%)

49
43
40
38
36
37
39
40
41
44
47
53
59
61
64
66
67
69
70
70
71
71
71
71

Pressure (mb)

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

Ozone (du)

276
277
278
278
278
279
280
280
280
279
278
277
275
275
275
274
274
274
275
275
275
275
276
277

Monday 22

Waxing Crescent 0%

No Rise

19:15

08 Good
09 OK
10 OK
11 OK
12 Good
13 Good
14 Good
15 OK
16 OK
17 OK
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: 06:59, Set: 19:06, Transit: 13:02. Moon - Rise: No Rise, Set: 19:15. Civil Dark: 19:34 - 06:31. Nautical Dark: 20:07 - 05:59. Astro Dark: 20:40 - 05:25

Total Clouds (% Sky Obscured)

15
21
23
18
14
9
15
20
29
24
73
67
85
69
51
55
57
64
77
89
100
100
100
100

Low Clouds (% Sky Obscured)

15
21
23
18
14
9
15
20
18
16
11
9
10
12
12
14
15
16
18
21
25
31
34
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
25
38
59
79
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
5
8
16
14
57
45
82
63
44
49
53
57
72
86
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
7
4

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
Light Rain
Light Rain

Precipitation Probability (%)

0
1
0
1
1
0
0
0
0
0
0
0
5
11
4
18
27
6
13
26
19
65
91
95

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
0.5
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
26
27
28
28
28
28
28
28
28
27
25
25
24
24
25
25
24
24
23
23
23
24
23

Dew Point (°C)

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

Relative Humidity (%)

68
61
52
47
45
44
42
42
45
50
58
70
74
75
79
80
80
81
81
81
80
79
81
83

Pressure (mb)

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

Ozone (du)

278
279
279
280
281
282
282
282
283
283
282
282
281
281
281
281
281
281
281
281
281
281
282
283

Tuesday 23

Waxing Crescent 3%

08:31

19:34

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: 07:00, Set: 19:05, Transit: 13:02. Moon - Rise: 08:31, Set: 19:34. Civil Dark: 19:32 - 06:32. Nautical Dark: 20:05 - 06:00. Astro Dark: 20:38 - 05:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
94
92
78
64
49
53
52
51
57
60
64
64
54
48
51
57
63

Low Clouds (% Sky Obscured)

50
65
82
82
88
92
91
88
85
64
45
36
44
48
49
42
37
25
29
11
4
4
3
3

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
90
81
74
56
34
17
17
12
6
7
7
7
7
5
3
4
4
6

High Clouds (% Sky Obscured)

100
100
100
100
100
100
80
60
39
29
19
8
8
2
7
23
34
46
45
41
37
41
48
56

ISS Passover

Visibility (miles)

2
2
2
2
2
3
3
5
7
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
74
95
95
95
95
95
95
81
62
51
75
88
95

Precipitation Amount (mm)

1
1.3
1.7
1.8
2
2.5
2.1
1.8
1.5
1
0.6
0
0.6
0.8
0.9
0.9
0.9
1
0.6
0.3
0
0.5
0.6
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
22
22
22
21
21
21
22
22
22
21
21
21
21
21
21
20
20
20
20
20
20
20

Feels Like (°C)

23
22
22
22
23
23
23
21
21
22
22
23
23
22
22
23
23
22
23
22
22
22
22
21

Dew Point (°C)

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

Relative Humidity (%)

84
83
81
80
83
85
88
81
76
69
73
77
81
81
81
81
82
84
85
85
85
85
84
84

Pressure (mb)

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

Ozone (du)

283
284
285
285
285
285
285
286
287
288
289
290
291
291
291
291
291
291
292
291
291
291
291
290

Wednesday 24

Waxing Crescent 7%

09:34

19:55

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 Good

Sun - Rise: 07:01, Set: 19:03, Transit: 13:01. Moon - Rise: 09:34, Set: 19:55. Civil Dark: 19:31 - 06:33. Nautical Dark: 20:03 - 06:01. Astro Dark: 20:36 - 05:28

Total Clouds (% Sky Obscured)

55
46
38
57
75
94
69
44
27
35
44
52
55
57
59
44
28
12

Low Clouds (% Sky Obscured)

2
2
2
2
1
1
1
1
1
7
6
2
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
17
22
34
46
58
41
24
7
8
8
9
7
5
3
2
1
0

High Clouds (% Sky Obscured)

45
36
24
43
62
81
60
38
16
23
32
41
48
50
53
36
22
9

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

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

Precipitation Probability (%)

81
63
38
32
28
23
26
26
22
29
29
24
20
14
2
2
1
0

Precipitation Amount (mm)

0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
73
66
58
55
51
48
51
53
57
57
58
60
59
58
58
60
62

Pressure (mb)

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

Ozone (du)

290
290
290
290
290
291
291
291
291
291
291
291
291
291
291
291
292
293

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

Generated: 18/09/25 07:55:51. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00