Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 100%

19:32

07:01

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

Sun - Rise: 06:54, Set: 19:11, Transit: 13:01. Moon - Rise: 19:32, Set: 07:01. Civil Dark: 19:44 - 06:21. Nautical Dark: 20:24 - 05:41. Astro Dark: 21:06 - 04:59

Total Clouds (% Sky Obscured)

12
15
32
24
2
9
100
99
95
85
100
12
59
25
92
95
89
97
98
95
99
96
94
100

Low Clouds (% Sky Obscured)

12
15
32
22
2
9
0
2
8
15
18
2
1
1
35
40
48
55
56
32
35
28
38
95

Medium Clouds (% Sky Obscured)

0
0
0
9
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
100
99
95
83
100
11
59
25
89
92
84
92
95
94
99
95
90
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
35
38
38
38
32
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
2
2
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
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
10
9
7
6
6
6
5
5
5
4
4
3
3
3
3
2
3
3
4
4
4
3

Chance of Frost

Temperature (°C)

20
21
21
21
19
17
16
14
13
12
11
10
10
10
9
9
8
8
9
11
13
15
16
18

Feels Like (°C)

20
21
21
21
19
17
16
14
13
12
11
10
9
9
9
9
8
8
9
11
13
15
16
18

Dew Point (°C)

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

Relative Humidity (%)

56
52
51
55
61
68
72
78
85
90
92
94
96
97
98
98
98
95
90
84
77
74
70
67

Pressure (mb)

1024
1024
1025
1025
1025
1025
1025
1027
1027
1028
1027
1028
1028
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030

Ozone (du)

298
296
292
291
290
293
292
292
291
291
291
287
285
285
285
285
285
284
284
283
282
282
282
279

Tuesday 21

Full Moon 99%

19:45

08:15

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

Sun - Rise: 06:56, Set: 19:08, Transit: 13:01. Moon - Rise: 19:45, Set: 08:15. Civil Dark: 19:42 - 06:22. Nautical Dark: 20:22 - 05:42. Astro Dark: 21:03 - 05:01

Total Clouds (% Sky Obscured)

99
99
98
98
98
98
98
93
89
47
16
6
6
26
16
25
57
25
43
77
98
88
79
50

Low Clouds (% Sky Obscured)

71
86
28
2
0
0
0
0
0
0
2
5
5
25
12
2
4
10
38
76
98
88
79
50

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)

96
97
97
98
98
98
98
93
89
47
15
2
1
2
5
24
56
16
8
4
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
13
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
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
8
8
9
10

Chance of Frost

Temperature (°C)

19
20
21
20
20
17
16
15
14
13
13
12
12
11
11
11
10
10
11
13
15
16
18
19

Feels Like (°C)

19
20
21
20
20
17
16
15
14
13
13
12
12
11
11
11
10
9
11
13
15
16
18
19

Dew Point (°C)

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

Relative Humidity (%)

62
60
61
63
69
75
80
86
90
94
97
99
100
100
100
100
100
98
94
90
85
78
73
68

Pressure (mb)

1030
1029
1029
1028
1028
1029
1029
1029
1029
1029
1028
1028
1028
1027
1027
1027
1027
1028
1028
1028
1028
1028
1027
1027

Ozone (du)

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

Wednesday 22

Waning Gibbous 96%

19:59

09:27

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

Sun - Rise: 06:57, Set: 19:06, Transit: 13:00. Moon - Rise: 19:59, Set: 09:27. Civil Dark: 19:39 - 06:24. Nautical Dark: 20:19 - 05:44. Astro Dark: 21:00 - 05:03

Total Clouds (% Sky Obscured)

51
72
64
91
86
29
48
31
5
45
34
10
6
16
27
81
98
84
84
84
84
84
84
64

Low Clouds (% Sky Obscured)

51
72
64
91
86
29
9
7
3
1
0
2
6
9
11
14
23
46
46
46
46
46
46
46

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
45
25
2
44
33
9
0
8
18
78
97
72
72
72
72
72
72
33

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
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
5
4
4
2
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
11
11
11
10
9
8
7
7
7
7
8
8
9
9
9
10
10
11
12
14
15
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
14
14
14
13
12
12
12
12
12
12
13
13
13
13
13
13
13
13
13
13
13
12

Relative Humidity (%)

64
63
64
67
73
78
84
88
91
95
97
99
100
100
100
100
100
97
93
90
83
78
70
63

Pressure (mb)

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

Ozone (du)

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

Thursday 23

Waning Gibbous 91%

20:13

10:38

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
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 OK
10 Good
11 Good
12 Good
13 Bad

Sun - Rise: 06:59, Set: 19:04, Transit: 13:00. Moon - Rise: 20:13, Set: 10:38. Civil Dark: 19:37 - 06:25. Nautical Dark: 20:17 - 05:46. Astro Dark: 20:58 - 05:05

Total Clouds (% Sky Obscured)

64
64
64
64
64
4
4
4
4
4
4
11
11
11
11
11
11
11
11
11
11
11
11
75

Low Clouds (% Sky Obscured)

46
46
46
46
46
4
4
4
4
4
4
11
11
11
11
11
11
11
11
11
11
11
11
75

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
2

High Clouds (% Sky Obscured)

33
33
33
33
33
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

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
1
1
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
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
13
12
10
8
6
5
4
4
3
5
5
5
6
6
6
5
6
8
10
11
12
13

Chance of Frost

Temperature (°C)

20
20
20
19
17
15
14
12
11
11
10
10
10
9
9
9
9
8
9
12
14
16
18
20

Feels Like (°C)

20
20
20
19
17
15
14
12
11
11
10
9
8
8
8
8
7
7
8
12
14
16
18
20

Dew Point (°C)

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

Relative Humidity (%)

58
57
60
65
71
76
79
83
88
95
96
98
99
100
100
100
100
100
95
90
84
81
77
71

Pressure (mb)

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

Ozone (du)

275
275
276
276
277
277
276
276
276
275
274
274
272
271
270
270
269
272
272
271
270
270
270
267

Friday 24

Waning Gibbous 84%

20:28

11:50

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

Sun - Rise: 07:01, Set: 19:01, Transit: 13:00. Moon - Rise: 20:28, Set: 11:50. Civil Dark: 19:35 - 06:27. Nautical Dark: 20:14 - 05:48. Astro Dark: 20:55 - 05:07

Total Clouds (% Sky Obscured)

75
75
75
75
75
13
13
13
13
13
13
15
15
15
15
15
15
12
12
12
12
12
12
47

Low Clouds (% Sky Obscured)

75
75
75
75
75
4
4
4
4
4
4
0
0
0
0
0
0
2
2
2
2
2
2
21

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

2
2
2
2
2
10
10
10
10
10
10
15
15
15
15
15
15
10
10
10
10
10
10
33

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
7
5
5
6
8
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
2
2
2
0
0
0
0
0
0
0
2
3
4
4
4
4
3
2
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
21
20
19
17
16
16
15
15
15
16
16
16
16
16
16
16
16
17
18
18
19
20

Feels Like (°C)

21
21
21
20
19
17
16
16
15
15
15
16
16
17
17
17
16
16
16
17
18
18
20
21

Dew Point (°C)

15
15
15
16
15
15
15
14
15
15
15
16
16
16
16
16
16
16
15
16
16
16
16
16

Relative Humidity (%)

69
67
70
75
82
87
91
93
98
100
100
100
100
100
100
100
100
99
96
93
89
86
83
77

Pressure (mb)

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

Ozone (du)

266
265
265
266
266
264
263
263
263
262
261
262
262
262
261
261
260
261
261
263
264
265
266
268

Saturday 25

Waning Gibbous 76%

20:47

13:00

14 Bad
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 Bad

Sun - Rise: 07:02, Set: 18:59, Transit: 12:59. Moon - Rise: 20:47, Set: 13:00. Civil Dark: 19:32 - 06:29. Nautical Dark: 20:12 - 05:49. Astro Dark: 20:53 - 05:09

Total Clouds (% Sky Obscured)

47
47
47
47
47
4
4
4
4
4
4
59
59
59
59
59
59
100
100
100
100
100
100
84

Low Clouds (% Sky Obscured)

21
21
21
21
21
4
4
4
4
4
4
7
7
7
7
7
7
89
89
89
89
89
89
81

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
99
99
99
99
99
99
22

High Clouds (% Sky Obscured)

33
33
33
33
33
0
0
0
0
0
0
56
56
56
56
56
56
98
98
98
98
98
98
17

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
8
6
8
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
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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
7
15
25
28
25
21
18
12
7
2
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.03
0.13
0.23
0.24
0.2
0.15
0.1
0.05
0.02
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
74
78
83
87
89
93
96
100
100
100
100
100
100
100
100
100
100
97
95
87
79
69

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1012
1012
1012
1012
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013

Ozone (du)

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

Sunday 26

Waning Gibbous 68%

21:10

No Set

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 OK
10 OK
11 OK
12 OK
13 OK

Sun - Rise: 07:04, Set: 18:57, Transit: 12:59. Moon - Rise: 21:10, Set: No Set. Civil Dark: 19:30 - 06:30. Nautical Dark: 20:09 - 05:51. Astro Dark: 20:50 - 05:11

Total Clouds (% Sky Obscured)

84
84
84
84
84
95
95
95
95
95
95
100
100
100
100
100
100
24
24
24
24
24
24
35

Low Clouds (% Sky Obscured)

81
81
81
81
81
9
9
9
9
9
9
64
64
64
64
64
64
15
15
15
15
15
15
24

Medium Clouds (% Sky Obscured)

22
22
22
22
22
12
12
12
12
12
12
100
100
100
100
100
100
18
18
18
18
18
18
27

High Clouds (% Sky Obscured)

17
17
17
17
17
95
95
95
95
95
95
84
84
84
84
84
84
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
2
3
2
0
0
0
4
5
11
18
21
16
8
5
5
8
8
4
0
0

Precipitation Amount (mm)

0
0
0
0
0.01
0.01
0.01
0
0
0
0.01
0.02
0.04
0.11
0.16
0.1
0.04
0.02
0.03
0.06
0.07
0.03
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
13
13
13
13
13

Relative Humidity (%)

63
61
63
69
77
83
87
91
94
98
100
100
100
100
100
100
100
100
98
96
90
85
78
70

Pressure (mb)

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

Ozone (du)

278
278
279
280
282
284
286
288
289
290
290
290
290
289
288
286
285
284
283
283
284
284
285
286

Forecast for Abbeymead, Gloucestershire, UK (51.85,-2.21)

Generated: 20/09/21 14:50:36. Forecast: 20/09/21 to 26/09/21. Timezone: UTC+1.00