Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Full Moon 99%

19:01

06:20

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

Sun - Rise: 06:57, Set: 19:11, Transit: 13:04. Moon - Rise: 19:01, Set: 06:20. Civil Dark: 19:38 - 06:31. Nautical Dark: 20:09 - 06:00. Astro Dark: 20:40 - 05:28

Total Clouds (% Sky Obscured)

1
1
13
24
38
35
2
10
4
0
24
20
89
95
97
98
98
89
92
91
89
94
44
80

Low Clouds (% Sky Obscured)

1
1
12
14
7
3
0
10
3
0
0
2
3
5
7
9
14
16
14
18
10
20
20
18

Medium Clouds (% Sky Obscured)

0
0
6
16
38
35
1
2
0
0
0
0
2
4
9
11
13
13
5
7
9
9
7
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
23
18
88
95
97
97
97
87
91
87
88
92
29
75

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
15
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)

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

Chance of Frost

Temperature (°C)

27
28
29
30
30
29
28
24
23
22
21
20
19
19
19
18
18
17
17
17
18
20
21
23

Feels Like (°C)

29
30
30
31
31
31
29
25
23
22
21
20
19
19
19
18
18
18
17
17
18
20
22
23

Dew Point (°C)

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

Relative Humidity (%)

63
59
56
53
52
53
56
70
76
78
80
83
85
87
88
89
92
95
93
91
87
79
78
69

Pressure (mb)

1022
1022
1022
1021
1020
1020
1020
1020
1021
1022
1022
1022
1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025

Ozone (du)

288
288
287
286
286
285
286
285
287
287
287
288
288
287
286
286
286
286
286
287
288
288
286
285

Tuesday 21

Waning Gibbous 100%

19:27

07:23

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 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:58, Set: 19:10, Transit: 13:03. Moon - Rise: 19:27, Set: 07:23. Civil Dark: 19:36 - 06:32. Nautical Dark: 20:07 - 06:01. Astro Dark: 20:39 - 05:29

Total Clouds (% Sky Obscured)

73
78
85
88
96
93
99
99
100
98
91
94
96
98
96
83
91
99
99
98
100
99
100
100

Low Clouds (% Sky Obscured)

16
9
6
20
13
4
7
16
13
2
1
1
2
1
1
1
8
43
32
82
84
38
56
84

Medium Clouds (% Sky Obscured)

0
0
0
1
0
0
2
3
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

70
76
84
85
96
93
99
99
100
98
91
94
96
98
96
83
91
99
98
88
99
99
100
100

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
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
4
5
5
6
6
6
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
4
5
6
7
7
6
5
6
6
5
4
4
3
3
3
3
4
4
4
4
5
5

Chance of Frost

Temperature (°C)

24
26
28
28
28
27
26
23
21
21
20
19
18
18
17
17
16
16
16
16
17
19
21
22

Feels Like (°C)

25
26
28
29
28
28
26
23
21
21
20
20
18
18
17
17
16
16
16
16
17
19
21
22

Dew Point (°C)

16
17
17
17
16
17
17
16
16
16
17
17
17
17
16
16
16
16
16
16
16
16
17
18

Relative Humidity (%)

61
56
52
50
49
52
57
63
70
76
81
87
91
93
94
96
99
100
100
100
94
85
82
77

Pressure (mb)

1026
1025
1025
1025
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026

Ozone (du)

284
284
284
284
284
284
285
286
288
289
288
287
285
284
284
284
284
284
285
285
287
287
287
287

Wednesday 22

Waning Gibbous 98%

19:51

08:25

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 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:59, Set: 19:08, Transit: 13:03. Moon - Rise: 19:51, Set: 08:25. Civil Dark: 19:34 - 06:33. Nautical Dark: 20:05 - 06:02. Astro Dark: 20:37 - 05:30

Total Clouds (% Sky Obscured)

96
99
100
100
100
100
100
95
73
98
100
98
99
100
100
100
100
100
100
100
100
93
95
100

Low Clouds (% Sky Obscured)

70
73
100
90
81
0
4
16
8
5
6
9
4
14
20
56
95
100
100
100
100
87
39
32

Medium Clouds (% Sky Obscured)

0
0
2
2
58
21
99
38
18
85
61
59
33
27
12
19
9
44
73
87
52
39
34
15

High Clouds (% Sky Obscured)

88
99
99
100
100
100
100
94
70
91
100
96
99
100
100
100
100
100
100
98
46
81
92
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

3
3
3
3
3
4
3
3
3
3
4
5
5
7
11
19
38
48
67
77
80
74
54
41

Precipitation Amount (mm)

0.03
0.01
0.01
0.02
0.03
0.05
0.03
0.01
0.01
0.01
0.01
0.01
0.01
0.03
0.07
0.1
0.25
0.38
0.66
1.11
1.41
1.14
0.7
0.51

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
25
26
27
27
27
26
25
23
22
22
22
21
21
21
21
21
22
23
23
23
22
23
24

Feels Like (°C)

24
25
27
28
29
29
28
25
23
23
23
22
22
22
21
22
22
23
23
24
24
22
23
25

Dew Point (°C)

18
19
19
19
19
20
20
19
19
19
19
19
19
20
20
21
21
21
21
21
21
21
21
21

Relative Humidity (%)

72
69
65
62
61
63
66
70
77
81
83
85
88
91
96
98
97
94
91
89
85
94
91
85

Pressure (mb)

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

Ozone (du)

286
286
286
286
286
285
284
284
284
284
284
285
284
284
283
283
284
284
284
285
287
287
287
287

Thursday 23

Waning Gibbous 95%

20:15

09:26

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 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:00, Set: 19:06, Transit: 13:03. Moon - Rise: 20:15, Set: 09:26. Civil Dark: 19:33 - 06:34. Nautical Dark: 20:04 - 06:03. Astro Dark: 20:35 - 05:31

Total Clouds (% Sky Obscured)

100
100
100
100
99
86
86
95
60
90
91
98
91
98
90
90
90
90
90
90
98
98
98
98

Low Clouds (% Sky Obscured)

37
31
31
79
34
26
25
3
8
20
47
37
55
78
34
34
34
34
34
34
95
95
95
95

Medium Clouds (% Sky Obscured)

21
98
98
99
99
83
64
81
21
41
54
96
62
45
47
47
47
47
47
47
49
49
49
49

High Clouds (% Sky Obscured)

100
100
97
88
26
17
68
86
49
86
84
52
76
91
81
81
81
81
81
81
80
80
80
80

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
9
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

41
51
57
54
56
54
51
49
59
57
53
65
67
64
59
48
38
28
24
23
21
20
21
24

Precipitation Amount (mm)

0.51
0.64
0.69
0.74
0.87
0.71
0.67
0.49
0.83
0.98
0.71
1.46
1.49
1.42
1.26
1.01
0.78
0.86
1.18
1.57
1.88
1.95
2.17
2.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
27
27
27
26
26
25
24
23
22
22
22
21
21
21
20
20
20
19
19
19
19
20
21

Feels Like (°C)

25
30
29
29
26
26
25
24
23
22
22
22
22
21
21
21
21
20
20
19
19
19
20
21

Dew Point (°C)

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

Relative Humidity (%)

81
69
71
70
75
78
80
79
79
84
85
86
86
85
87
88
89
88
86
86
83
81
74
70

Pressure (mb)

1016
1015
1014
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1012
1012
1013
1013
1013
1013

Ozone (du)

287
287
287
287
288
289
291
292
293
295
296
298
301
301
299
300
301
302
303
304
300
301
302
304

Friday 24

Waning Gibbous 89%

20:40

10:26

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 Bad
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 07:01, Set: 19:05, Transit: 13:02. Moon - Rise: 20:40, Set: 10:26. Civil Dark: 19:31 - 06:35. Nautical Dark: 20:02 - 06:04. Astro Dark: 20:33 - 05:32

Total Clouds (% Sky Obscured)

98
98
100
100
100
100
100
100
97
97
97
97
97
97
84
84
84
84
84
84
1
1
1
1

Low Clouds (% Sky Obscured)

95
95
100
100
100
100
100
100
92
92
92
92
92
92
57
57
57
57
57
57
1
1
1
1

Medium Clouds (% Sky Obscured)

49
49
66
66
66
66
66
66
93
93
93
93
93
93
55
55
55
55
55
55
0
0
0
0

High Clouds (% Sky Obscured)

80
80
52
52
52
52
52
52
9
9
9
9
9
9
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
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

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

Precipitation Probability (%)

23
22
21
24
21
19
17
19
20
14
11
7
5
5
6
6
6
6
4
3
0
0
0
0

Precipitation Amount (mm)

2.79
2.98
2.94
3.41
2.63
1.97
1.52
1.34
1.23
0.84
0.29
0.07
0.04
0.04
0.05
0.05
0.05
0.04
0.02
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
66
66
66
65
68
73
78
82
82
86
88
89
92
93
94
94
94
93
92
82
73
68
63

Pressure (mb)

1013
1013
1013
1012
1011
1011
1012
1012
1013
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1019
1019
1019

Ozone (du)

304
304
298
297
299
300
300
299
303
304
305
305
303
302
294
293
293
293
292
293
297
298
296
295

Saturday 25

Waning Gibbous 83%

21:07

11:26

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

Sun - Rise: 07:02, Set: 19:03, Transit: 13:02. Moon - Rise: 21:07, Set: 11:26. Civil Dark: 19:30 - 06:35. Nautical Dark: 20:00 - 06:05. Astro Dark: 20:32 - 05:33

Total Clouds (% Sky Obscured)

1
1
0
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)

1
1
0
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)

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
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)

7
6
5
4
4
3
3
3
2
2
2
2
3
3
4
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
54
48
47
48
52
66
77
86
91
95
100
100
100
100
100
100
100
100
100
94
86
75
65

Pressure (mb)

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

Ozone (du)

293
291
289
288
288
288
287
287
286
286
286
286
286
286
286
286
285
285
286
288
289
290
291
292

Sunday 26

Waning Gibbous 75%

21:37

No Set

12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
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 Good
09 Good
10 Good
11 Good

Sun - Rise: 07:03, Set: 19:02, Transit: 13:02. Moon - Rise: 21:37, Set: No Set. Civil Dark: 19:28 - 06:36. Nautical Dark: 19:59 - 06:06. Astro Dark: 20:30 - 05:34

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
100
100
100
100
100
100
20
20
20
20
20
20
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
6
6
6
6
6
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
99
99
99
99
99
99
20
20
20
20
20
20
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
70
70
70
70
70
70
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
4
5
5
5
5
5
5
5
4
4
4
4
4
4
3
3
2
2
2
2
2
1
1

Chance of Frost

Temperature (°C)

21
22
23
24
24
24
22
19
17
16
16
15
14
13
12
12
12
11
11
10
11
14
18
22

Feels Like (°C)

21
22
23
24
24
24
22
19
17
16
16
15
14
13
12
12
12
11
11
10
11
14
18
22

Dew Point (°C)

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

Relative Humidity (%)

58
54
49
48
50
55
64
75
81
86
90
96
100
100
100
100
100
100
100
100
97
88
77
66

Pressure (mb)

1019
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1015
1015
1016
1016
1016
1016

Ozone (du)

294
295
296
298
299
301
302
303
304
307
310
313
315
317
318
318
316
315
316
317
318
319
320
320

Forecast for Midland, Fauquier County, US (38.60,-77.73)

Generated: 20/09/21 10:02:13. Forecast: 20/09/21 to 26/09/21. Timezone: UTC-4.00