Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 20%

01:44

16:45

16 OK
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 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 Bad
15 Bad

Sun - Rise: 06:50, Set: 19:15, Transit: 13:01. Moon - Rise: 01:44, Set: 16:45. Civil Dark: 19:43 - 06:22. Nautical Dark: 20:15 - 05:49. Astro Dark: 20:49 - 05:16

Total Clouds (% Sky Obscured)

22
26
28
27
88
43
100
91
100
62
70
89
100
56
75
100
100
100
100
83
86
42
61
83

Low Clouds (% Sky Obscured)

22
2
9
12
16
15
14
23
23
27
32
25
18
0
0
0
0
0
0
2
6
5
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
70
0
100
91
100
13
18
65
100
51
73
100
100
100
100
73
71
33
61
80

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)

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

Chance of Frost

Temperature (°C)

23
22
22
19
18
18
16
16
15
15
15
15
14
14
14
13
15
18
20
22
22
23
23
24

Feels Like (°C)

24
24
24
22
21
19
18
17
17
16
15
15
14
14
14
13
15
18
21
22
22
21
23
22

Dew Point (°C)

10
11
14
15
16
16
15
15
14
14
14
13
12
12
11
11
11
12
12
12
10
8
7
7

Relative Humidity (%)

44
48
59
76
85
90
92
93
95
96
93
87
86
87
84
83
76
69
59
53
44
37
33
33

Pressure (mb)

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

Ozone (du)

279
281
285
283
282
284
286
287
284
284
282
283
286
286
285
285
284
283
282
282
281
280
279
277

Wednesday 17

Waning Crescent 12%

02:57

17:22

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

Sun - Rise: 06:51, Set: 19:13, Transit: 13:01. Moon - Rise: 02:57, Set: 17:22. Civil Dark: 19:41 - 06:23. Nautical Dark: 20:14 - 05:50. Astro Dark: 20:47 - 05:17

Total Clouds (% Sky Obscured)

83
92
96
88
89
89
97
69
20
22
31
5
1
7
39
22
58
84
85
6
2
1
13
21

Low Clouds (% Sky Obscured)

0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
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)

81
86
95
84
86
85
96
61
8
22
31
5
0
7
39
22
58
84
85
6
0
0
0
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
5
49
82
38
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 (%)

1
2
2
2
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)

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

Chance of Frost

Temperature (°C)

24
23
21
19
17
16
15
16
16
15
15
15
15
15
14
14
15
19
20
22
23
24
24
24

Feels Like (°C)

22
21
21
19
17
15
14
15
15
15
16
16
16
16
15
15
16
20
23
24
25
25
25
25

Dew Point (°C)

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

Relative Humidity (%)

34
36
47
57
61
67
75
82
87
87
87
87
89
89
86
82
73
56
44
36
32
29
28
28

Pressure (mb)

1018
1018
1018
1019
1020
1021
1021
1022
1022
1022
1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1023
1023

Ozone (du)

277
276
276
275
272
273
273
273
273
273
272
272
272
272
272
273
273
274
274
275
275
275
275
274

Thursday 18

Waning Crescent 6%

04:08

17:51

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

Sun - Rise: 06:52, Set: 19:11, Transit: 13:01. Moon - Rise: 04:08, Set: 17:51. Civil Dark: 19:39 - 06:24. Nautical Dark: 20:12 - 05:52. Astro Dark: 20:45 - 05:18

Total Clouds (% Sky Obscured)

0
9
2
3
59
63
61
54
62
90
84
89
100
86
28
10
31
56
77
62
46
32
41
52

Low Clouds (% Sky Obscured)

0
1
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
7
1
3
58
63
61
54
62
90
84
89
100
86
28
10
31
56
77
62
46
32
41
52

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

Chance of Frost

Temperature (°C)

24
24
23
21
18
17
16
16
16
15
15
15
15
15
15
15
17
19
22
25
26
26
27
27

Feels Like (°C)

25
25
24
22
20
17
17
16
16
14
14
14
14
13
14
15
17
20
25
26
26
27
28
28

Dew Point (°C)

7
8
12
13
12
10
8
8
7
6
6
7
6
6
6
6
8
6
7
7
8
9
10
11

Relative Humidity (%)

32
37
49
62
66
65
61
58
57
55
54
55
54
54
54
55
55
43
36
32
31
32
33
36

Pressure (mb)

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

Ozone (du)

274
274
274
275
275
274
273
272
271
271
271
271
272
271
271
271
270
270
270
270
269
269
269
270

Friday 19

Waning Crescent 2%

05:16

18:14

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

Sun - Rise: 06:53, Set: 19:09, Transit: 13:00. Moon - Rise: 05:16, Set: 18:14. Civil Dark: 19:37 - 06:25. Nautical Dark: 20:10 - 05:53. Astro Dark: 20:44 - 05:19

Total Clouds (% Sky Obscured)

57
39
44
36
5
3
3
3
2
2
1
1
2
3
0
2
3
4
5
6
7
8
8
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
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

57
39
33
13
5
3
3
3
2
2
1
1
2
3
0
2
3
4
5
6
6
7
6
6

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

Chance of Frost

Temperature (°C)

26
25
24
21
19
19
17
16
16
16
16
16
16
16
16
16
17
20
23
25
25
26
27
26

Feels Like (°C)

27
27
26
22
19
20
19
18
17
16
16
16
16
16
16
16
18
22
24
26
26
27
27
27

Dew Point (°C)

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

Relative Humidity (%)

38
41
50
62
64
64
62
61
60
57
55
53
52
52
53
54
54
45
42
40
39
38
37
38

Pressure (mb)

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

Ozone (du)

270
270
271
271
269
268
268
268
268
268
268
269
269
268
268
268
268
268
269
269
270
270
270
270

Saturday 20

Waning Crescent 0%

06:21

18:35

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

Sun - Rise: 06:54, Set: 19:08, Transit: 13:00. Moon - Rise: 06:21, Set: 18:35. Civil Dark: 19:35 - 06:26. Nautical Dark: 20:08 - 05:54. Astro Dark: 20:42 - 05:20

Total Clouds (% Sky Obscured)

7
7
9
8
5
4
3
12
14
12
18
24
31
24
17
10
7
4
0
0
0
1
8
14

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
1
8
14

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)

5
5
9
8
5
4
3
12
14
12
14
13
18
8
6
5
5
3
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)

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

Chance of Frost

Temperature (°C)

26
25
23
20
18
18
17
16
16
15
15
15
15
15
16
16
16
19
21
23
24
25
25
25

Feels Like (°C)

26
26
25
22
21
20
19
18
17
17
16
17
17
17
17
16
16
19
21
22
24
24
25
28

Dew Point (°C)

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

Relative Humidity (%)

40
43
52
67
72
76
77
75
75
73
73
73
75
77
75
73
73
63
54
48
45
42
38
40

Pressure (mb)

1022
1021
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018

Ozone (du)

270
269
269
269
268
268
268
269
269
269
270
270
270
270
270
271
271
272
273
274
274
274
274
274

Sunday 21

New Moon 0%

07:25

18:54

16 OK
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
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good

Sun - Rise: 06:55, Set: 19:06, Transit: 13:00. Moon - Rise: 07:25, Set: 18:54. Civil Dark: 19:34 - 06:28. Nautical Dark: 20:06 - 05:55. Astro Dark: 20:40 - 05:22

Total Clouds (% Sky Obscured)

23
12
5
0
0
1
2
2
3
3
2
1
0
0
0
0
0
1
2
5
6
8
7
7

Low Clouds (% Sky Obscured)

23
12
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
6
5
3

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

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

Chance of Frost

Temperature (°C)

24
24
22
20
19
17
16
15
16
15
16
15
14
14
15
15
15
18
20
22
23
23
24
23

Feels Like (°C)

27
26
26
27
27
18
19
18
19
18
19
17
17
17
16
16
16
19
20
21
21
22
22
26

Dew Point (°C)

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

Relative Humidity (%)

41
43
52
62
73
74
77
76
78
76
77
78
79
80
79
78
77
65
56
48
43
39
36
37

Pressure (mb)

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

Ozone (du)

274
273
273
273
273
273
274
274
273
272
272
272
273
273
274
275
276
276
276
276
277
277
278
279

Monday 22

Waxing Crescent 3%

08:28

19:12

16 Good
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: 06:56, Set: 19:04, Transit: 12:59. Moon - Rise: 08:28, Set: 19:12. Civil Dark: 19:32 - 06:29. Nautical Dark: 20:05 - 05:56. Astro Dark: 20:38 - 05:23

Total Clouds (% Sky Obscured)

6
34
62
85
72
67
55
60
72
80
80
85
70
65
60
55

Low Clouds (% Sky Obscured)

5
3
2
0
0
0
0
0
0
0
0
0
0
14
27
40

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
21
42
63
65
60
55

High Clouds (% Sky Obscured)

1
26
50
80
71
62
53
60
72
80
80
80
70
65
60
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
1
7
12
14
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
1.9
5
9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
22
21
19
16
16
15
15
15
14
14
14
14
14
14
14

Feels Like (°C)

25
23
24
24
24
14
15
15
15
15
15
12
12
12
12
14

Dew Point (°C)

8
8
10
11
11
11
11
11
11
10
10
9
10
9
10
12

Relative Humidity (%)

38
39
48
59
71
74
77
79
78
76
76
74
73
70
78
87

Pressure (mb)

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

Ozone (du)

279
279
279
278
278
278
278
278
279
279
280
279
279
278
278
277

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

Generated: 16/09/25 16:03:44. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+2.00