Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 100%

19:18

06:47

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

Sun - Rise: 06:41, Set: 18:57, Transit: 12:48. Moon - Rise: 19:18, Set: 06:47. Civil Dark: 19:30 - 06:08. Nautical Dark: 20:10 - 05:28. Astro Dark: 20:51 - 04:47

Total Clouds (% Sky Obscured)

48
34
29
47
66
23
100
66
41
77
83
22
9
13
38
84
16
22
99
99
97
98
95
96

Low Clouds (% Sky Obscured)

23
2
3
9
17
15
49
39
10
31
23
18
8
13
38
84
16
8
23
46
58
73
68
79

Medium Clouds (% Sky Obscured)

41
29
28
45
63
22
100
63
40
26
20
9
6
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

7
6
0
0
0
0
0
0
0
65
77
2
0
0
0
0
0
15
99
98
94
93
83
81

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

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

Precipitation Probability (%)

8
5
6
6
8
5
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
11
10
10
8
8
8
8
7
7
7
7
6
6
6
6
7
7
7
7
7
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
65
66
68
73
76
76
78
83
86
88
88
88
89
89
89
88
85
79
75
70
65
61
58

Pressure (mb)

1023
1023
1023
1024
1024
1025
1025
1026
1026
1026
1027
1027
1027
1027
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030

Ozone (du)

295
295
294
295
297
297
291
289
289
289
287
288
288
287
286
284
283
283
283
283
283
282
281
280

Tuesday 21

Full Moon 99%

19:32

08:00

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:42, Set: 18:55, Transit: 12:47. Moon - Rise: 19:32, Set: 08:00. Civil Dark: 19:28 - 06:09. Nautical Dark: 20:07 - 05:30. Astro Dark: 20:48 - 04:49

Total Clouds (% Sky Obscured)

98
96
96
94
97
95
99
95
98
97
98
98
96
89
91
87
91
85
54
85
85
90
89
91

Low Clouds (% Sky Obscured)

53
63
31
16
10
2
2
0
2
2
0
0
0
0
0
0
0
0
0
0
2
16
28
15

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
89
95
92
97
95
98
95
98
97
98
98
96
89
91
87
91
85
54
85
84
88
84
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
5
5
5
5
6
6
7
7
7
6
6
6
6
6
6
6
6
6
6
7
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
58
59
63
66
70
74
77
81
85
87
88
88
88
88
87
85
81
75
71
67
62
60
59

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1029
1028
1028
1028
1027

Ozone (du)

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

Wednesday 22

Waning Gibbous 96%

19:46

09:12

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

Sun - Rise: 06:44, Set: 18:53, Transit: 12:47. Moon - Rise: 19:46, Set: 09:12. Civil Dark: 19:26 - 06:11. Nautical Dark: 20:05 - 05:32. Astro Dark: 20:46 - 04:51

Total Clouds (% Sky Obscured)

86
62
20
0
0
2
1
5
48
2
2
0
0
0
0
26
91
91
91
91
91
91
98
98

Low Clouds (% Sky Obscured)

1
1
0
0
0
2
1
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
94
94

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)

86
62
20
0
0
0
0
0
47
2
2
0
0
0
0
26
91
91
91
91
91
91
70
70

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
2
2
0
0
0
0
0
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
9
9
9
10
10
10
10
10
10
10
10
10
10
10
11
12
12
13
14
15
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
60
62
65
71
75
77
79
83
88
91
92
93
93
93
93
91
88
81
77
72
69
68
66

Pressure (mb)

1026
1026
1025
1025
1025
1024
1024
1024
1024
1023
1022
1022
1021
1021
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017

Ozone (du)

275
275
274
273
273
272
272
271
272
271
269
269
269
271
274
274
276
278
278
278
277
277
276
276

Thursday 23

Waning Gibbous 91%

20:00

10:23

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

Sun - Rise: 06:46, Set: 18:50, Transit: 12:47. Moon - Rise: 20:00, Set: 10:23. Civil Dark: 19:23 - 06:13. Nautical Dark: 20:03 - 05:33. Astro Dark: 20:43 - 04:53

Total Clouds (% Sky Obscured)

98
98
98
98
27
27
27
27
27
27
6
6
6
6
6
6
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

94
94
94
94
27
27
27
27
27
27
6
6
6
6
6
6
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)

70
70
70
70
2
2
2
2
2
2
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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
20
18
17
16
15
14
13
12
12
11
11
10
8
8
8
11
12
14
16
17
18
19

Dew Point (°C)

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

Relative Humidity (%)

64
62
63
67
70
72
75
75
78
82
83
85
86
87
87
87
84
81
75
71
67
65
63
64

Pressure (mb)

1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1017
1017
1017
1017
1017
1016
1015
1015

Ozone (du)

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

Friday 24

Waning Gibbous 84%

20:16

11:34

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 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:47, Set: 18:48, Transit: 12:46. Moon - Rise: 20:16, Set: 11:34. Civil Dark: 19:21 - 06:14. Nautical Dark: 20:00 - 05:35. Astro Dark: 20:41 - 04:55

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
78
78
78
78
78
78
49
49

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
77
77
77
77
77
77
42
42

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
5
5
5
5
5
13
13

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
2
3
3
2
2
2
2
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
0.01
0.01
0.01
0.01
0
0

Wind Speed/Direction (mph)

13
13
13
12
12
12
12
13
13
13
13
13
12
12
11
11
11
11
11
12
12
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
69
72
74
79
82
85
86
88
92
95
96
96
97
99
100
99
97
94
91
86
80
78
77

Pressure (mb)

1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1013

Ozone (du)

271
271
270
270
269
268
267
266
266
265
268
268
268
269
269
269
270
270
271
271
270
269
268
268

Saturday 25

Waning Gibbous 77%

20:35

12:44

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

Sun - Rise: 06:49, Set: 18:46, Transit: 12:46. Moon - Rise: 20:35, Set: 12:44. Civil Dark: 19:19 - 06:16. Nautical Dark: 19:58 - 05:37. Astro Dark: 20:38 - 04:57

Total Clouds (% Sky Obscured)

49
49
49
49
1
1
1
1
1
1
38
38
38
38
38
38
95
95
95
95
95
95
98
98

Low Clouds (% Sky Obscured)

42
42
42
42
0
0
0
0
0
0
5
5
5
5
5
5
4
4
4
4
4
4
64
64

Medium Clouds (% Sky Obscured)

1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
45
45
45
45
45
45
14
14

High Clouds (% Sky Obscured)

13
13
13
13
0
0
0
0
0
0
35
35
35
35
35
35
92
92
92
92
92
92
81
81

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
6
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
11
17
22
24
22
18
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.05
0.14
0.23
0.25
0.22
0.19
0.14

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
19
19
18
17
16
15
14
14
14
14
14
14
14
15
15
15
16
16
17
18
18
18

Feels Like (°C)

20
20
19
19
18
17
16
15
14
14
14
14
14
14
14
15
15
15
16
16
17
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

78
79
82
84
88
89
90
92
94
98
100
100
100
99
98
97
96
95
95
94
90
88
85
82

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

268
269
270
272
273
275
276
278
279
280
281
281
281
281
280
280
280
280
280
280
279
277
276
275

Sunday 26

Waning Gibbous 68%

20:59

13:51

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

Sun - Rise: 06:50, Set: 18:43, Transit: 12:46. Moon - Rise: 20:59, Set: 13:51. Civil Dark: 19:16 - 06:17. Nautical Dark: 19:55 - 05:39. Astro Dark: 20:36 - 04:58

Total Clouds (% Sky Obscured)

98
98
98
98
2
2
2
2
2
2
78
78
78
78
78
78
100
100
100
100
100
100
11
11

Low Clouds (% Sky Obscured)

64
64
64
64
2
2
2
2
2
2
10
10
10
10
10
10
56
56
56
56
56
56
11
11

Medium Clouds (% Sky Obscured)

14
14
14
14
0
0
0
0
0
0
11
11
11
11
11
11
100
100
100
100
100
100
0
0

High Clouds (% Sky Obscured)

81
81
81
81
0
0
0
0
0
0
75
75
75
75
75
75
99
99
99
99
99
99
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

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

Precipitation Probability (%)

10
7
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.1
0.06
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
17
16
16
15
14
14
13
13
12
12
12
12
11
11
11
12
14
15
16
17
18
18

Feels Like (°C)

18
17
17
16
16
15
14
14
13
13
12
12
12
12
11
11
11
12
14
15
16
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

80
79
80
81
83
84
86
88
90
95
97
98
97
96
96
97
96
93
90
85
79
75
72
71

Pressure (mb)

1014
1013
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

274
274
275
277
278
280
281
281
281
281
281
282
284
286
286
286
286
286
285
285
283
282
281
280

Forecast for Herne Bay CT6 7NH, UK (51.35,1.12)

Generated: 20/09/21 15:13:05. Forecast: 20/09/21 to 26/09/21. Timezone: UTC+1.00