Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 30%

00:32

15:58

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

Sun - Rise: 06:49, Set: 19:16, Transit: 13:02. Moon - Rise: 00:32, Set: 15:58. Civil Dark: 19:44 - 06:21. Nautical Dark: 20:17 - 05:48. Astro Dark: 20:51 - 05:14

Total Clouds (% Sky Obscured)

35
44
41
45
37
48
38
21
26
37
47
50
51
46
48
46
38
11
0
3
19
34
30
26

Low Clouds (% Sky Obscured)

22
23
17
16
18
23
21
11
15
23
26
30
36
32
27
27
19
5
0
1
10
18
16
17

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
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
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
95
95
95
95
95
95
65
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
6
6
4
4
3
2
3
4
3
3
3
3
4
4
4
4
4
4
4
6
6
5

Chance of Frost

Temperature (°C)

23
23
23
22
21
19
18
17
16
16
15
15
14
14
14
14
14
14
15
18
20
21
22
23

Feels Like (°C)

25
24
24
24
24
22
22
20
19
19
18
18
17
17
16
16
17
16
18
21
22
23
24
24

Dew Point (°C)

10
11
12
13
14
16
16
16
15
15
14
14
14
13
13
13
13
13
12
12
12
12
11
11

Relative Humidity (%)

43
46
51
56
64
80
89
92
95
95
95
95
96
95
95
95
93
92
82
70
59
54
49
46

Pressure (mb)

1021
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020

Ozone (du)

281
280
280
279
278
279
279
278
278
277
277
276
276
276
276
276
276
277
278
279
280
282
282
283

Tuesday 16

Waning Crescent 20%

01:44

16:45

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

27
22
21
20
42
35
49
97
50
100
83
60
21
43
58
33
100
90
32
43
13
53
72
67

Low Clouds (% Sky Obscured)

17
12
12
11
11
16
13
14
18
21
16
12
3
0
0
0
0
0
0
0
0
1
4
5

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
30
14
33
92
27
100
53
25
0
33
51
21
100
88
20
33
12
42
69
53

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
1
33
66
100
100
100
94
0
0
0
0
0
1
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
1
1
1
1

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

Chance of Frost

Temperature (°C)

23
23
23
22
21
20
18
18
17
16
15
15
14
14
14
14
13
13
14
18
20
21
23
23

Feels Like (°C)

25
24
25
24
24
23
22
21
18
19
16
15
15
14
14
14
13
13
14
18
21
23
23
24

Dew Point (°C)

11
10
11
12
14
16
17
17
16
16
15
14
14
13
13
12
12
12
12
13
13
11
12
11

Relative Humidity (%)

45
45
45
52
61
78
89
92
93
96
96
96
96
93
93
90
92
92
86
74
64
53
49
46

Pressure (mb)

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

Ozone (du)

282
281
281
285
285
283
283
283
284
285
282
281
283
282
282
283
282
280
280
280
280
279
278
277

Wednesday 17

Waning Crescent 12%

02:57

17:22

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

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)

82
89
84
70
52
38
52
30
24
31
12
58
45
38
29
21
11
0
10
20
29
36
44
51

Low Clouds (% Sky Obscured)

34
35
62
59
48
38
43
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
9
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)

70
79
77
65
43
30
39
10
7
23
12
58
45
38
29
21
11
0
10
20
29
36
44
50

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
3
14
20
17
1
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
4
4
3
3
3
4
4
4
5
5
5
5
5
5
5
5
4
3
2
3
4
5

Chance of Frost

Temperature (°C)

24
24
23
22
21
20
18
16
15
15
15
16
15
15
15
15
15
15
15
18
20
22
23
24

Feels Like (°C)

23
24
22
22
22
20
19
17
15
16
16
17
16
15
15
15
15
14
16
18
22
24
25
25

Dew Point (°C)

11
12
12
13
15
15
14
13
13
14
14
14
13
13
12
12
12
12
11
9
8
7
6
6

Relative Humidity (%)

45
46
49
57
66
75
78
79
86
89
89
87
86
86
84
84
83
82
74
56
44
38
33
31

Pressure (mb)

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

Ozone (du)

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

Thursday 18

Waning Crescent 6%

04:08

17:51

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

38
22
5
4
2
0
15
2
3
3
27
21
18
43
53
82
95
94
70
37
41
41
48
56

Low Clouds (% Sky Obscured)

10
6
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)

32
18
5
3
1
0
15
2
3
3
27
21
14
42
49
81
95
93
62
28
23
19
27
28

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
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
4
3
3
3
3

Chance of Frost

Temperature (°C)

24
24
24
24
22
19
18
17
16
15
15
15
15
15
15
15
14
15
16
19
22
24
25
26

Feels Like (°C)

25
25
24
25
24
22
20
16
17
15
14
13
13
14
13
13
12
13
14
19
23
25
25
25

Dew Point (°C)

6
5
6
8
11
12
12
11
9
7
6
6
6
6
5
5
4
5
6
5
5
6
7
7

Relative Humidity (%)

29
29
31
35
48
61
70
68
61
56
55
55
55
54
53
51
50
50
50
39
32
30
30
30

Pressure (mb)

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

Ozone (du)

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

Friday 19

Waning Crescent 2%

05:16

18:14

14 OK
15 OK
16 Good
17 OK
18 OK
19 Bad
20 OK
21 Bad
22 Bad
23 OK
00 OK
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

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)

39
25
11
24
41
50
41
49
58
40
23
6
4
3
1
1
0
0
0
0
0
1
3
4

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
3
4

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)

25
16
8
16
32
41
25
41
57
40
23
6
4
3
1
1
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)

4
4
4
4
4
3
3
2
3
4
4
4
4
4
4
4
4
4
4
3
2
2
3
4

Chance of Frost

Temperature (°C)

26
26
26
25
23
20
18
18
17
16
16
16
16
16
16
16
17
17
17
20
22
24
25
26

Feels Like (°C)

26
26
27
26
25
22
20
20
19
18
18
17
18
17
17
17
17
17
16
19
21
21
22
24

Dew Point (°C)

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

Relative Humidity (%)

31
32
35
39
50
64
69
68
67
67
66
64
63
62
60
60
59
57
56
49
44
40
38
38

Pressure (mb)

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

Ozone (du)

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

Saturday 20

Waning Crescent 0%

06:21

18:35

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
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 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)

4
3
2
4
6
8
10
11
13
8
4
0
0
0
0
0
0
0
0
0
0
1
2
4

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

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

Chance of Frost

Temperature (°C)

27
26
25
25
23
22
20
19
18
17
17
17
16
16
17
17
17
17
18
20
22
25
25
25

Feels Like (°C)

25
29
27
27
27
29
29
19
20
19
20
20
19
18
19
19
18
18
18
21
22
23
23
24

Dew Point (°C)

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

Relative Humidity (%)

37
39
40
42
49
58
69
69
70
71
69
71
72
72
72
73
72
71
70
58
48
41
38
35

Pressure (mb)

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

Ozone (du)

271
271
271
271
271
271
271
272
272
272
272
272
272
272
272
272
273
273
273
274
274
274
274
273

Sunday 21

New Moon 0%

07:25

18:54

14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 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)

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

Low Clouds (% Sky Obscured)

1
1
1
1
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
3
4
3
3
2
2
3
3
2
2
2

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
26
25
25
23
21
20
18
17
16
16
16

Feels Like (°C)

25
29
27
26
26
27
28
18
18
18
18
18

Dew Point (°C)

9
10
10
10
11
11
13
11
10
9
9
9

Relative Humidity (%)

34
35
36
38
45
54
65
64
64
64
64
64

Pressure (mb)

1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

273
273
273
273
273
273
272
272
272
272
272
273

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

Generated: 15/09/25 14:30:01. Forecast: 15/09/25 to 21/09/25. Timezone: UTC+2.00