Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 100%

19:31

06:57

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

Sun - Rise: 06:51, Set: 19:08, Transit: 12:59. Moon - Rise: 19:31, Set: 06:57. Civil Dark: 19:43 - 06:16. Nautical Dark: 20:24 - 05:35. Astro Dark: 21:08 - 04:51

Total Clouds (% Sky Obscured)

2
0
6
9
75
27
2
100
100
97
99
13
98
86
73
73
98
98
100
100
98
99
95
98

Low Clouds (% Sky Obscured)

2
0
6
9
75
27
2
0
1
1
0
0
0
14
34
39
41
82
96
99
84
83
8
2

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
100
100
97
99
13
98
84
60
57
96
92
95
94
95
97
95
98

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
2
2
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
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
9
10
10
10
11
10
10
10
10
10
10
11
11
11
11
10
10
10
11
11
11

Relative Humidity (%)

60
54
51
48
50
54
61
70
75
78
85
90
92
94
95
96
96
96
96
93
89
84
77
72

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1026
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029

Ozone (du)

296
294
292
291
291
289
286
288
287
286
287
288
287
283
282
282
282
281
281
280
280
282
282
282

Tuesday 21

Full Moon 99%

19:43

08:12

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

Sun - Rise: 06:53, Set: 19:06, Transit: 12:58. Moon - Rise: 19:43, Set: 08:12. Civil Dark: 19:40 - 06:18. Nautical Dark: 20:22 - 05:37. Astro Dark: 21:05 - 04:53

Total Clouds (% Sky Obscured)

97
98
98
98
99
99
95
98
97
92
6
26
8
8
39
9
3
3
0
0
58
28
2
2

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
42
21
1
2

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)

97
98
98
98
99
99
95
98
97
92
6
25
8
8
39
9
3
3
0
0
27
9
1
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)

6
6
7
7
8
7
6
5
5
5
5
5
6
4
4
5
5
5
5
5
6
7
9
10

Chance of Frost

Temperature (°C)

17
19
20
20
20
19
18
17
15
14
13
13
12
11
11
11
11
11
10
10
11
13
15
16

Feels Like (°C)

17
19
20
20
20
19
18
17
15
14
13
13
12
11
11
11
11
11
10
9
11
13
15
16

Dew Point (°C)

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

Relative Humidity (%)

66
63
59
59
61
64
69
74
79
83
89
93
95
96
96
96
96
97
97
94
93
85
79
75

Pressure (mb)

1029
1029
1028
1028
1028
1027
1027
1028
1028
1027
1027
1027
1027
1027
1026
1026
1025
1025
1025
1026
1026
1026
1026
1025

Ozone (du)

282
279
278
278
278
277
277
275
275
275
275
275
274
273
273
273
272
271
271
273
272
271
270
270

Wednesday 22

Waning Gibbous 96%

19:54

09:26

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

Sun - Rise: 06:54, Set: 19:03, Transit: 12:58. Moon - Rise: 19:54, Set: 09:26. Civil Dark: 19:38 - 06:20. Nautical Dark: 20:19 - 05:39. Astro Dark: 21:02 - 04:56

Total Clouds (% Sky Obscured)

17
48
2
0
0
14
95
6
38
52
23
28
8
62
83
97
100
97
100
97
97
97
97
97

Low Clouds (% Sky Obscured)

17
48
2
0
0
0
1
1
0
0
1
1
1
1
1
2
99
56
24
31
31
31
31
31

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
27
25
21
19
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
14
95
4
17
38
2
12
6
61
83
97
91
95
100
95
95
95
95
95

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
3
3
3
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
9
10
11
11
11
10
11
11
11
11
11
11
11
11
11
10
11
12
12
13
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
67
63
61
62
67
72
76
80
82
86
91
94
97
99
100
99
98
96
90
87
82
79
76

Pressure (mb)

1025
1025
1024
1024
1023
1022
1022
1022
1021
1021
1021
1020
1020
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1015

Ozone (du)

270
271
271
271
271
272
274
276
277
278
280
279
277
279
281
280
281
280
280
282
281
281
281
281

Thursday 23

Waning Gibbous 91%

20:06

10:40

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

Sun - Rise: 06:56, Set: 19:01, Transit: 12:58. Moon - Rise: 20:06, Set: 10:40. Civil Dark: 19:35 - 06:21. Nautical Dark: 20:16 - 05:40. Astro Dark: 20:59 - 04:58

Total Clouds (% Sky Obscured)

97
78
78
78
78
78
78
31
31
31
31
31
31
48
48
48
48
48
48
100
100
100
100
100

Low Clouds (% Sky Obscured)

31
18
18
18
18
18
18
15
15
15
15
15
15
9
9
9
9
9
9
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
2
2
2
2
2
2
24
24
24
24
24
24
44
44
44
44
44
44
72
72
72
72
72

High Clouds (% Sky Obscured)

95
65
65
65
65
65
65
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
2
3
2
2
2
2
2
0
0
0
0
0
0
0
0
2
2
2
3
2
0
0
0

Precipitation Amount (mm)

0
0.01
0.07
0.01
0.03
0.01
0.02
0.02
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

17
17
16
16
17
15
14
13
13
13
13
12
10
10
9
8
8
8
9
9
10
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
66
68
65
63
68
72
76
79
82
85
91
94
95
98
98
97
97
95
94
90
87
85
84

Pressure (mb)

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

Ozone (du)

282
279
279
280
280
280
279
277
277
276
275
275
273
274
273
272
271
270
270
273
273
273
272
270

Friday 24

Waning Gibbous 84%

20:20

11:53

12 Bad
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
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

Sun - Rise: 06:58, Set: 18:58, Transit: 12:57. Moon - Rise: 20:20, Set: 11:53. Civil Dark: 19:33 - 06:23. Nautical Dark: 20:14 - 05:42. Astro Dark: 20:57 - 05:00

Total Clouds (% Sky Obscured)

100
7
7
7
7
7
7
98
98
98
98
98
98
61
61
61
61
61
61
62
62
62
62
62

Low Clouds (% Sky Obscured)

100
0
0
0
0
0
0
95
95
95
95
95
95
2
2
2
2
2
2
53
53
53
53
53

Medium Clouds (% Sky Obscured)

72
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
7
7
7
7
7
66
66
66
66
66
66
60
60
60
60
60
60
18
18
18
18
18

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0.01

Wind Speed/Direction (mph)

15
15
15
15
14
12
11
12
12
11
11
11
11
10
10
10
10
9
8
8
8
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
75
71
68
66
71
77
84
88
91
95
97
99
99
100
100
99
100
100
97
96
93
90
89

Pressure (mb)

1012
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1012
1012
1012
1012
1012

Ozone (du)

269
264
263
262
261
259
258
258
257
257
256
256
257
257
257
258
259
260
261
259
260
262
264
265

Saturday 25

Waning Gibbous 76%

20:37

11:53

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 OK
08 OK
09 Bad
10 OK
11 OK

Sun - Rise: 07:00, Set: 18:56, Transit: 12:57. Moon - Rise: 20:37, Set: 11:53. Civil Dark: 19:30 - 06:25. Nautical Dark: 20:11 - 05:44. Astro Dark: 20:54 - 05:02

Total Clouds (% Sky Obscured)

62
100
100
100
100
100
100
98
98
98
98
98
98
46
46
46
46
46
46
40
40
40
40
40

Low Clouds (% Sky Obscured)

53
100
100
100
100
100
100
98
98
98
98
98
98
46
46
46
46
46
46
2
2
2
2
2

Medium Clouds (% Sky Obscured)

0
3
3
3
3
3
3
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

18
29
29
29
29
29
29
45
45
45
45
45
45
0
0
0
0
0
0
39
39
39
39
39

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 (%)

3
3
3
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

Precipitation Amount (mm)

0.02
0.03
0.02
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
83
79
76
75
77
80
83
87
93
96
100
100
100
100
100
100
100
100
100
97
91
86
84

Pressure (mb)

1012
1012
1012
1012
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1011
1010
1010
1010
1010
1010
1010
1011
1011
1011

Ozone (du)

265
266
268
270
271
272
273
273
274
274
275
276
278
279
280
281
281
281
279
278
278
278
277
275

Sunday 26

Waning Gibbous 68%

20:59

13:05

12 OK
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

Sun - Rise: 07:01, Set: 18:53, Transit: 12:56. Moon - Rise: 20:59, Set: 13:05. Civil Dark: 19:28 - 06:27. Nautical Dark: 20:09 - 05:46. Astro Dark: 20:51 - 05:04

Total Clouds (% Sky Obscured)

40
100
100
100
100
100
100
56
56
56
56
56
56
64
64
64
64
64
64
88
88
88
88
88

Low Clouds (% Sky Obscured)

2
38
38
38
38
38
38
9
9
9
9
9
9
30
30
30
30
30
30
6
6
6
6
6

Medium Clouds (% Sky Obscured)

0
25
25
25
25
25
25
23
23
23
23
23
23
55
55
55
55
55
55
88
88
88
88
88

High Clouds (% Sky Obscured)

39
100
100
100
100
100
100
45
45
45
45
45
45
2
2
2
2
2
2
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

4
5
6
7
6
3
0
0
0
0
0
0
0
0
0
0
0
0
7
9
8
4
3
2

Precipitation Amount (mm)

0.04
0.05
0.05
0.03
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0.03
0.05
0.04
0.02
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
83
84
84
85
85
86
88
90
93
98
100
100
100
100
100
100
100
100
98
96
91
87

Pressure (mb)

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

Ozone (du)

272
270
269
268
268
270
272
274
276
277
277
276
275
274
275
277
278
280
281
282
282
283
283
283

Forecast for Sheffield, South Yorkshire, UK (53.38,-1.47)

Generated: 20/09/21 15:51:21. Forecast: 20/09/21 to 26/09/21. Timezone: UTC+1.00