Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 100%

19:36

07:07

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

Sun - Rise: 06:59, Set: 19:16, Transit: 13:06. Moon - Rise: 19:36, Set: 07:07. Civil Dark: 19:48 - 06:27. Nautical Dark: 20:27 - 05:48. Astro Dark: 21:08 - 05:08

Total Clouds (% Sky Obscured)

14
44
4
0
2
74
100
98
90
40
98
25
81
38
59
36
13
93
96
95
94
95
95
96

Low Clouds (% Sky Obscured)

14
44
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
15
66

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
2
74
100
98
90
40
98
25
81
38
59
36
13
93
96
95
94
95
93
89

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

Precipitation Probability (%)

0
0
0
0
8
11
14
15
18
18
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.1
0.13
0.14
0.15
0.16
0.16
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
10
9
7
7
8
8
8
8
7
7
6
6
6
6
5
5
5
5
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
21
20
19
17
15
14
13
13
12
12
11
11
10
8
8
7
8
12
14
16
18
19
20

Dew Point (°C)

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

Relative Humidity (%)

53
54
58
64
71
78
82
87
93
96
95
96
96
97
98
97
97
94
88
80
74
68
65
61

Pressure (mb)

1025
1025
1025
1026
1026
1026
1027
1028
1028
1028
1029
1029
1029
1029
1029
1029
1030
1030
1031
1031
1031
1031
1030
1030

Ozone (du)

300
297
295
294
296
294
294
294
293
293
289
289
288
288
288
287
284
284
283
283
281
280
277
277

Tuesday 21

Full Moon 99%

19:51

08:20

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
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: 07:01, Set: 19:13, Transit: 13:06. Moon - Rise: 19:51, Set: 08:20. Civil Dark: 19:46 - 06:28. Nautical Dark: 20:25 - 05:50. Astro Dark: 21:05 - 05:10

Total Clouds (% Sky Obscured)

100
100
99
98
99
99
98
91
76
58
43
52
89
100
100
100
100
100
96
100
90
85
94
91

Low Clouds (% Sky Obscured)

100
98
76
80
72
93
91
72
36
14
16
44
62
100
100
100
100
100
96
100
90
85
94
91

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
95
97
95
97
71
55
69
63
51
34
30
69
53
33
30
13
6
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
1
19
12
100
100
100
100
100
11
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
5
5
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
4
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
61
65
70
74
79
84
86
92
96
99
100
100
100
100
100
100
97
91
87
79
73
64
61

Pressure (mb)

1030
1029
1029
1029
1029
1030
1030
1030
1030
1029
1029
1029
1029
1028
1028
1028
1029
1029
1029
1029
1029
1028
1028
1028

Ozone (du)

277
277
276
276
274
274
274
274
274
273
275
275
275
275
275
275
275
275
275
275
274
273
275
275

Wednesday 22

Waning Gibbous 96%

20:05

09:31

15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Good
21 Good
22 Bad
23 OK
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: 07:03, Set: 19:11, Transit: 13:06. Moon - Rise: 20:05, Set: 09:31. Civil Dark: 19:44 - 06:30. Nautical Dark: 20:22 - 05:51. Astro Dark: 21:02 - 05:11

Total Clouds (% Sky Obscured)

93
90
87
75
41
11
7
43
29
3
23
38
22
20
27
24
84
84
84
84
84
84
100
100

Low Clouds (% Sky Obscured)

93
90
87
75
41
11
7
34
8
3
23
38
22
20
27
24
84
84
84
84
84
84
100
100

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
27
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
14
23
0
0
0
0
0
0
0
2
2
2
2
2
2
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
4
3
4
4
4
4
5
3
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
5
6
7
7
7
6
5
5
4
4
5
5
5
6
6
8
10
11
13
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
12
12
11
11
11
12
12
12
12
12
12
12
12
14
15
15
15
15
14

Relative Humidity (%)

61
62
66
72
76
81
86
88
93
96
98
100
100
100
100
100
97
96
92
90
84
80
73
67

Pressure (mb)

1027
1026
1026
1026
1025
1026
1026
1026
1025
1025
1024
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1020
1021
1020

Ozone (du)

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

Thursday 23

Waning Gibbous 91%

20:20

10:41

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 Good
10 Good
11 Good
12 Good
13 Bad
14 Bad

Sun - Rise: 07:04, Set: 19:09, Transit: 13:05. Moon - Rise: 20:20, Set: 10:41. Civil Dark: 19:41 - 06:32. Nautical Dark: 20:20 - 05:53. Astro Dark: 21:00 - 05:13

Total Clouds (% Sky Obscured)

100
100
100
100
5
5
5
5
5
5
1
1
1
1
1
1
7
7
7
7
7
7
93
93

Low Clouds (% Sky Obscured)

100
100
100
100
5
5
5
5
5
5
1
1
1
1
1
1
7
7
7
7
7
7
93
93

Medium Clouds (% Sky Obscured)

27
27
27
27
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)

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
2

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
0.01

Wind Speed/Direction (mph)

14
14
13
11
10
8
7
7
6
5
6
5
5
5
5
5
3
3
5
6
7
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
67
72
78
82
87
87
89
93
96
98
99
100
100
100
100
98
95
92
87
82
77
70
68

Pressure (mb)

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

Ozone (du)

275
275
275
275
275
275
275
274
275
275
272
272
271
271
270
268
271
272
273
273
272
272
272
271

Friday 24

Waning Gibbous 84%

20:37

11:51

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: 07:06, Set: 19:07, Transit: 13:05. Moon - Rise: 20:37, Set: 11:51. Civil Dark: 19:39 - 06:33. Nautical Dark: 20:18 - 05:55. Astro Dark: 20:57 - 05:15

Total Clouds (% Sky Obscured)

93
93
93
93
79
79
79
79
79
79
100
100
100
100
100
100
100
100
100
100
100
100
84
84

Low Clouds (% Sky Obscured)

93
93
93
93
78
78
78
78
78
78
100
100
100
100
100
100
100
100
100
100
100
100
84
84

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
1
1
1
1
1
1
3
3
3
3
3
3
2
2
2
2
2
2
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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
16
15
15
14
14
14
15
15
16
17
17
17
17
16
16
16
17
17
17
17
16
16

Relative Humidity (%)

67
68
74
81
85
90
92
93
98
100
100
100
100
100
99
98
97
96
93
89
85
79
72
68

Pressure (mb)

1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

270
270
270
271
268
268
267
267
267
266
267
267
266
266
266
267
268
268
268
268
269
271
272
274

Saturday 25

Waning Gibbous 76%

20:57

13:00

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: 07:07, Set: 19:04, Transit: 13:05. Moon - Rise: 20:57, Set: 13:00. Civil Dark: 19:37 - 06:35. Nautical Dark: 20:15 - 05:56. Astro Dark: 20:55 - 05:17

Total Clouds (% Sky Obscured)

84
84
84
84
63
63
63
63
63
63
96
96
96
96
96
96
97
97
97
97
97
97
63
63

Low Clouds (% Sky Obscured)

84
84
84
84
6
6
6
6
6
6
27
27
27
27
27
27
97
97
97
97
97
97
18
18

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
31
31
31
31
31
31
45
45
45
45
45
45
34
34

High Clouds (% Sky Obscured)

0
0
0
0
61
61
61
61
61
61
95
95
95
95
95
95
2
2
2
2
2
2
38
38

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
8
5
7
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
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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
7
19
32
38
42
43
37
25
16
8
3
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.02
0.1
0.22
0.29
0.34
0.34
0.32
0.27
0.21
0.11
0.03
0
0

Wind Speed/Direction (mph)

12
12
11
10
9
9
8
8
8
7
7
8
9
9
8
8
7
8
9
9
11
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
70
76
81
85
89
92
93
98
99
100
100
100
100
100
100
100
100
100
96
90
82
74
70

Pressure (mb)

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

Ozone (du)

275
276
277
278
279
279
279
278
278
277
276
275
274
273
274
275
276
275
273
272
272
273
274
275

Sunday 26

Waning Gibbous 68%

21:21

14:07

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 OK
07 Good
08 Good
09 Good
10 OK
11 Good
12 Good
13 OK
14 OK

Sun - Rise: 07:09, Set: 19:02, Transit: 13:04. Moon - Rise: 21:21, Set: 14:07. Civil Dark: 19:35 - 06:36. Nautical Dark: 20:13 - 05:58. Astro Dark: 20:53 - 05:19

Total Clouds (% Sky Obscured)

63
63
63
63
100
100
100
100
100
100
43
43
43
43
43
43
0
0
0
0
0
0
31
31

Low Clouds (% Sky Obscured)

18
18
18
18
94
94
94
94
94
94
2
2
2
2
2
2
0
0
0
0
0
0
17
17

Medium Clouds (% Sky Obscured)

34
34
34
34
27
27
27
27
27
27
42
42
42
42
42
42
0
0
0
0
0
0
26
26

High Clouds (% Sky Obscured)

38
38
38
38
99
99
99
99
99
99
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
3
8
13
11
8
6
5
5
5
5
0
0
5
13
15
12
8
5
3

Precipitation Amount (mm)

0
0
0
0
0
0.02
0.07
0.12
0.09
0.04
0.02
0.02
0.02
0.03
0.01
0
0
0.02
0.1
0.18
0.16
0.1
0.05
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
13
13
13
14
14
13
13
13
14
13
13
13
13
13
13
13
13
14
14
14
14
14
13

Relative Humidity (%)

70
71
76
81
86
90
92
95
99
100
100
100
100
100
100
100
100
98
95
90
85
79
75
77

Pressure (mb)

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

Ozone (du)

276
277
278
279
281
282
283
284
285
285
285
284
283
281
280
278
277
277
277
277
277
276
276
275

Welcome to Clear Outside

Forecast for FLO HQ, Exeter, Devon, UK (50.70,-3.52)

Generated: 20/09/21 14:49:00. Forecast: 20/09/21 to 26/09/21. Timezone: UTC+1.00