Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 100%

19:20

07:03

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

Sun - Rise: 06:54, Set: 19:08, Transit: 13:00. Moon - Rise: 19:20, Set: 07:03. Civil Dark: 19:35 - 06:26. Nautical Dark: 20:08 - 05:54. Astro Dark: 20:42 - 05:20

Total Clouds (% Sky Obscured)

97
98
96
88
23
13
15
15
61
67
38
24
22
21
13
9
5
15
9
20
38
30
18
20

Low Clouds (% Sky Obscured)

41
59
31
34
23
13
15
15
45
66
37
23
22
20
11
9
5
2
5
15
12
8
6
3

Medium Clouds (% Sky Obscured)

24
11
0
0
0
0
0
0
1
5
0
2
1
2
2
2
2
2
6
16
27
23
16
18

High Clouds (% Sky Obscured)

95
96
94
83
0
0
0
0
30
0
1
0
0
0
1
0
0
13
2
2
14
9
1
1

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

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

Precipitation Amount (mm)

0.01
0.02
0.06
0.08
0.05
0.02
0.01
0.02
0.01
0.02
0.01
0
0.01
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4

Chance of Frost

Temperature (°C)

18
17
15
14
13
13
13
12
12
12
12
12
12
12
11
12
14
16
17
18
19
20
21
20

Feels Like (°C)

18
17
15
14
13
13
13
12
12
12
12
12
12
12
11
12
14
16
17
18
19
20
21
20

Dew Point (°C)

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

Relative Humidity (%)

65
70
76
88
90
91
92
94
95
94
93
92
90
88
86
83
76
70
62
55
50
48
47
48

Pressure (mb)

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

Ozone (du)

291
291
290
290
289
291
292
292
294
292
293
293
295
298
298
299
299
299
298
297
296
294
293
292

Tuesday 21

Full Moon 99%

19:42

08:07

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

Sun - Rise: 06:55, Set: 19:06, Transit: 13:00. Moon - Rise: 19:42, Set: 08:07. Civil Dark: 19:34 - 06:28. Nautical Dark: 20:06 - 05:55. Astro Dark: 20:40 - 05:22

Total Clouds (% Sky Obscured)

94
87
55
20
2
2
74
80
62
70
82
66
59
90
96
56
44
13
2
23
45
49
20
37

Low Clouds (% Sky Obscured)

88
10
3
16
2
2
20
25
24
28
17
32
59
81
95
41
21
13
2
23
44
48
20
34

Medium Clouds (% Sky Obscured)

13
14
9
4
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
41
2
32

High Clouds (% Sky Obscured)

69
84
51
5
0
0
68
73
50
59
78
51
0
48
17
27
29
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
2
3
3
2
3
5
4
4
3
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
2
2
0
2
1
1
0
0
0
0
0
0
3
2
2
1
1
1
0
0
0

Precipitation Amount (mm)

0
0
0
0.02
0.01
0
0.01
0.01
0.01
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
16
14
14
13
12
12
12
12
12
12
12
12
12
13
15
16
18
19
20
21
21
21

Feels Like (°C)

19
18
16
14
14
13
12
12
12
12
12
12
12
12
12
13
15
16
18
19
20
21
21
21

Dew Point (°C)

9
10
11
11
11
11
11
11
11
11
11
11
11
10
10
10
11
11
10
9
8
7
6
6

Relative Humidity (%)

51
60
73
79
84
88
90
91
92
93
93
92
91
90
88
85
78
70
61
51
45
40
38
38

Pressure (mb)

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

Ozone (du)

290
289
289
289
290
290
288
287
287
288
286
284
283
282
283
290
292
293
294
296
295
288
287
287

Wednesday 22

Waning Gibbous 96%

20:04

09:10

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

Sun - Rise: 06:56, Set: 19:04, Transit: 12:59. Moon - Rise: 20:04, Set: 09:10. Civil Dark: 19:32 - 06:29. Nautical Dark: 20:05 - 05:56. Astro Dark: 20:38 - 05:23

Total Clouds (% Sky Obscured)

55
58
30
3
2
2
2
2
2
36
51
57
82
86
64
49
49
49
49
49
49
50
50
50

Low Clouds (% Sky Obscured)

52
2
2
3
2
2
2
2
2
5
2
1
1
1
5
6
6
6
6
6
6
35
35
35

Medium Clouds (% Sky Obscured)

30
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)

2
58
28
0
0
0
0
0
0
33
50
57
82
86
63
46
46
46
46
46
46
23
23
23

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
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
8
5
3
1
1
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.13
0.1
0.04
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
16
14
14
13
13
12
12
12
11
11
11
10
10
11
13
15
16
18
19
20
21
21

Feels Like (°C)

20
19
16
14
14
13
13
12
12
12
11
11
11
10
10
11
13
15
16
18
19
20
21
21

Dew Point (°C)

6
7
9
9
10
9
9
9
9
9
9
9
8
8
8
9
10
9
8
7
6
5
5
6

Relative Humidity (%)

39
49
62
71
76
78
79
81
84
82
83
84
85
85
85
85
78
67
57
49
43
37
35
37

Pressure (mb)

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

Ozone (du)

287
287
286
283
282
281
280
279
279
282
282
281
281
281
281
281
281
281
281
283
283
282
282
282

Thursday 23

Waning Gibbous 91%

20:26

10:13

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
16 Good

Sun - Rise: 06:57, Set: 19:02, Transit: 12:59. Moon - Rise: 20:26, Set: 10:13. Civil Dark: 19:30 - 06:30. Nautical Dark: 20:03 - 05:57. Astro Dark: 20:36 - 05:24

Total Clouds (% Sky Obscured)

50
50
50
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

35
35
35
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)

23
23
23
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)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Chance of Frost

Temperature (°C)

20
18
16
14
13
13
12
12
12
12
12
12
12
12
12
13
15
17
19
20
21
22
23
22

Feels Like (°C)

20
18
16
14
13
13
12
12
12
12
12
12
12
12
12
13
15
17
19
20
21
22
23
22

Dew Point (°C)

6
8
9
9
10
10
10
10
10
11
10
10
10
10
9
10
10
8
7
6
6
6
6
7

Relative Humidity (%)

40
50
66
74
80
83
86
87
86
91
90
89
89
88
87
84
71
56
46
41
37
35
34
36

Pressure (mb)

1017
1018
1018
1018
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

283
283
283
281
281
282
281
280
280
284
284
285
285
285
286
284
285
286
288
289
291
289
288
287

Friday 24

Waning Gibbous 84%

20:50

11:16

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 Bad
15 Bad
16 Bad

Sun - Rise: 06:58, Set: 19:01, Transit: 12:59. Moon - Rise: 20:50, Set: 11:16. Civil Dark: 19:28 - 06:31. Nautical Dark: 20:01 - 05:58. Astro Dark: 20:34 - 05:25

Total Clouds (% Sky Obscured)

0
0
0
9
9
9
9
9
9
0
0
0
0
0
0
0
0
0
0
0
0
88
88
88

Low Clouds (% Sky Obscured)

0
0
0
9
9
9
9
9
9
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
88
88
88

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Chance of Frost

Temperature (°C)

21
19
17
15
15
15
14
14
14
14
14
14
13
13
14
14
16
18
20
22
22
23
23
23

Feels Like (°C)

21
19
17
15
15
15
14
14
14
14
14
14
13
13
14
14
16
18
20
22
22
23
23
23

Dew Point (°C)

7
9
10
11
12
12
12
12
12
12
11
11
10
9
9
9
9
8
8
9
10
11
12
12

Relative Humidity (%)

40
52
66
76
82
84
86
88
87
87
85
83
80
76
72
71
62
52
46
45
47
48
48
49

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

288
288
289
287
286
287
287
286
286
286
286
285
284
285
285
283
283
282
282
281
281
281
282
282

Saturday 25

Waning Gibbous 77%

21:17

12:18

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 OK
11 Bad
12 OK
13 OK
14 OK
15 OK
16 OK

Sun - Rise: 06:59, Set: 18:59, Transit: 12:58. Moon - Rise: 21:17, Set: 12:18. Civil Dark: 19:27 - 06:32. Nautical Dark: 19:59 - 05:59. Astro Dark: 20:32 - 05:26

Total Clouds (% Sky Obscured)

88
88
88
99
99
99
99
99
99
54
54
54
54
54
54
38
38
38
38
38
38
27
27
27

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
54
54
54
54
54
54
38
38
38
38
38
38
3
3
3

Medium Clouds (% Sky Obscured)

0
0
0
16
16
16
16
16
16
0
0
0
0
0
0
1
1
1
1
1
1
20
20
20

High Clouds (% Sky Obscured)

88
88
88
99
99
99
99
99
99
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
8
8
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

0
3
8
13
11
6
2
6
10
10
14
16
17
18
20
19
15
10
8
7
5
3
3
0

Precipitation Amount (mm)

0
0.03
0.16
0.27
0.16
0.04
0.03
0.04
0.1
0.17
0.17
0.14
0.14
0.17
0.23
0.29
0.33
0.36
0.34
0.24
0.11
0.04
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
13
14
15
16
16
16
16
16
16
16
16
16
16
16
16
17
18
18
18
18
18
17
17

Relative Humidity (%)

52
62
76
89
98
100
100
100
100
100
100
100
100
100
100
100
100
99
94
87
77
71
71
70

Pressure (mb)

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

Ozone (du)

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

Sunday 26

Waning Gibbous 68%

21:48

13:19

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

Sun - Rise: 07:01, Set: 18:57, Transit: 12:58. Moon - Rise: 21:48, Set: 13:19. Civil Dark: 19:25 - 06:33. Nautical Dark: 19:57 - 06:00. Astro Dark: 20:30 - 05:27

Total Clouds (% Sky Obscured)

27
27
27
95
95
95
95
95
95
45
45
45
45
45
45
72
72
72
72
72
72
40
40
40

Low Clouds (% Sky Obscured)

3
3
3
82
82
82
82
82
82
2
2
2
2
2
2
69
69
69
69
69
69
28
28
28

Medium Clouds (% Sky Obscured)

20
20
20
16
16
16
16
16
16
0
0
0
0
0
0
15
15
15
15
15
15
33
33
33

High Clouds (% Sky Obscured)

9
9
9
94
94
94
94
94
94
45
45
45
45
45
45
1
1
1
1
1
1
3
3
3

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Amount (mm)

0
0.01
0.03
0.05
0.03
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
83
98
100
100
100
100
100
100
100
100
100
100
100
100
100
91
75
63
56
52
51
52
54

Pressure (mb)

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

Ozone (du)

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

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

Generated: 20/09/21 16:35:03. Forecast: 20/09/21 to 26/09/21. Timezone: UTC+2.00