Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 28

Waning Gibbous 92%

19:44

09:10

09 Bad
10 Bad
11 Bad
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

Sun - Rise: 07:03, Set: 18:55, Transit: 12:58. Moon - Rise: 19:44, Set: 09:10. Civil Dark: 19:21 - 06:37. Nautical Dark: 19:52 - 06:06. Astro Dark: 20:23 - 05:35

Total Clouds (% Sky Obscured)

99
100
100
96
98
98
93
93
99
98
97
96
96
95
97
93
88
92
93
93
85
70
78
75

Low Clouds (% Sky Obscured)

96
98
89
88
95
94
84
88
95
94
95
94
94
94
92
90
81
78
79
73
58
49
51
57

Medium Clouds (% Sky Obscured)

42
45
33
26
21
23
24
26
39
36
35
40
39
44
47
45
40
44
44
42
36
29
29
29

High Clouds (% Sky Obscured)

23
75
97
29
5
3
2
2
0
0
0
0
3
11
16
15
11
4
17
31
31
3
2
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
0
0
0
0
1
8
3
2
2
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
5
6
7
7
7
6
5
4
3
2
3
3
3
3
3
3
2
2
2
2
2
3
2

Chance of Frost

Temperature (°C)

17
18
18
20
21
22
22
22
22
21
20
20
19
19
19
19
19
18
18
18
18
18
18
18

Feels Like (°C)

17
17
18
20
20
21
21
22
22
22
21
21
20
19
19
19
19
19
18
18
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

77
69
65
60
60
63
62
61
70
74
74
75
77
78
80
81
82
83
81
79
79
78
78
78

Pressure (mb)

1013
1013
1013
1013
1013
1013
1012
1012
1012
1013
1013
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

299
297
294
293
293
292
291
289
288
288
288
288
289
290
290
290
289
289
288
287
286
286
287
286

Tuesday 29

Waning Gibbous 84%

20:20

10:23

09 Bad
10 Bad
11 Bad
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 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK

Sun - Rise: 07:04, Set: 18:53, Transit: 12:58. Moon - Rise: 20:20, Set: 10:23. Civil Dark: 19:20 - 06:37. Nautical Dark: 19:50 - 06:07. Astro Dark: 20:21 - 05:36

Total Clouds (% Sky Obscured)

76
87
91
89
74
85
95
93
85
68
78
84
86
82
77
42
43
45
52
52
49
35
41
45

Low Clouds (% Sky Obscured)

59
57
78
82
44
70
89
90
85
68
74
70
75
74
63
8
13
16
11
10
7
0
12
23

Medium Clouds (% Sky Obscured)

32
41
39
44
40
40
33
27
31
31
39
46
44
39
37
38
40
42
42
38
40
30
30
36

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
53
59
59
6
6
5
2
2

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

Chance of Frost

Temperature (°C)

19
21
22
23
24
24
24
24
24
23
22
21
21
20
20
19
18
18
17
17
17
17
17
18

Feels Like (°C)

20
21
22
23
24
26
25
25
25
24
22
22
22
20
20
20
21
20
21
20
21
20
20
21

Dew Point (°C)

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

Relative Humidity (%)

71
68
63
57
51
47
47
54
63
65
64
66
68
69
70
75
85
88
92
93
93
95
95
88

Pressure (mb)

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

Ozone (du)

285
285
284
283
284
283
283
282
282
282
282
282
282
283
284
285
282
282
281
278
276
276
276
276

Wednesday 30

Waning Gibbous 74%

21:04

11:38

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

Sun - Rise: 07:05, Set: 18:52, Transit: 12:58. Moon - Rise: 21:04, Set: 11:38. Civil Dark: 19:18 - 06:38. Nautical Dark: 19:49 - 06:08. Astro Dark: 20:20 - 05:37

Total Clouds (% Sky Obscured)

80
79
76
46
29
30
56
52
72
100
50
27
45
99
98
12
15
14
15
19
36
36
35
39

Low Clouds (% Sky Obscured)

27
25
21
7
14
16
18
13
7
7
9
11
13
6
11
0
0
3
6
9
8
9
9
6

Medium Clouds (% Sky Obscured)

38
36
32
26
23
22
11
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

45
45
50
25
3
2
51
52
72
100
27
5
21
98
98
11
15
11
4
2
28
30
35
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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)

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

Chance of Frost

Temperature (°C)

20
22
24
25
26
27
28
28
28
26
23
22
21
20
20
19
19
18
18
17
17
17
17
17

Feels Like (°C)

23
22
24
25
27
29
29
29
29
28
23
22
23
21
20
19
20
19
19
19
19
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

74
65
57
50
44
39
35
33
36
51
67
77
80
79
77
78
84
85
85
85
86
83
82
77

Pressure (mb)

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

Ozone (du)

276
275
273
272
271
270
270
269
269
269
268
268
268
269
269
268
268
267
267
267
265
265
265
265

Thursday 1

Waning Gibbous 63%

21:59

12:50

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

Sun - Rise: 07:06, Set: 18:50, Transit: 12:57. Moon - Rise: 21:59, Set: 12:50. Civil Dark: 19:16 - 06:39. Nautical Dark: 19:47 - 06:09. Astro Dark: 20:18 - 05:38

Total Clouds (% Sky Obscured)

39
32
30
36
52
56
51
55
60
55
55
50
40
35
39
48
57
48
10
0
0
0
3
4

Low Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3

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)

35
32
28
33
52
56
51
55
55
50
45
40
35
35
39
48
57
48
10
0
0
0
2
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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)

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

Chance of Frost

Temperature (°C)

20
22
25
27
29
30
30
30
30
27
25
23
22
21
21
20
20
19
19
19
18
18
18
18

Feels Like (°C)

19
21
24
26
28
29
28
29
29
27
25
22
21
21
20
20
19
19
19
20
20
20
20
21

Dew Point (°C)

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

Relative Humidity (%)

64
51
42
35
30
28
26
28
34
46
52
53
56
61
63
66
67
67
69
71
73
76
77
75

Pressure (mb)

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

Ozone (du)

265
264
263
263
263
263
263
264
264
264
264
264
264
264
264
265
265
265
264
264
265
266
266
267

Friday 2

Waning Gibbous 51%

23:03

13:55

09 Good
10 Good
11 Good
12 Good
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

Sun - Rise: 07:06, Set: 18:49, Transit: 12:57. Moon - Rise: 23:03, Set: 13:55. Civil Dark: 19:15 - 06:40. Nautical Dark: 19:46 - 06:09. Astro Dark: 20:16 - 05:39

Total Clouds (% Sky Obscured)

3
7
9
14
72
38
79
80
87
92
96
97
98
100
100
100
100
99
97
96
97
97
98
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
12
1
85
77
74
72
55
37
27
38
55
66
59
51
42
35

Medium Clouds (% Sky Obscured)

0
0
4
7
13
18
26
74
50
43
93
80
66
50
43
37
31
40
48
61
65
69
76
76

High Clouds (% Sky Obscured)

3
7
6
5
35
16
40
39
39
39
44
62
80
100
100
100
100
89
76
65
75
85
94
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
1
3
4
3
4
13
15
14
12
8
0
0
0
0
0
0
0
1

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
4
4
4
4
4
3
3
3
7
7
8
9
9
8
8
8
8
7
7
7
7

Chance of Frost

Temperature (°C)

21
24
27
29
31
32
32
31
31
29
26
25
23
22
21
20
19
18
18
17
17
17
17
17

Feels Like (°C)

24
26
29
31
32
32
33
32
33
30
27
25
24
24
24
23
22
21
16
16
15
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

61
48
39
33
30
29
28
39
43
53
63
65
69
74
79
77
76
74
68
63
58
60
61
61

Pressure (mb)

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

Ozone (du)

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

Saturday 3

Third Quarter 39%

00:14

14:51

09 Bad
10 Bad
11 Bad
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

Sun - Rise: 07:07, Set: 18:47, Transit: 12:57. Moon - Rise: 00:14, Set: 14:51. Civil Dark: 19:13 - 06:41. Nautical Dark: 19:44 - 06:10. Astro Dark: 20:15 - 05:40

Total Clouds (% Sky Obscured)

95
93
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

28
22
28
35
40
33
31
33
47
61
74
80
87
90
88
86
83
73
62
57
64
73
84
84

Medium Clouds (% Sky Obscured)

77
77
81
84
89
91
93
96
97
98
99
99
100
100
100
100
100
100
100
100
99
98
97
97

High Clouds (% Sky Obscured)

79
71
82
92
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very 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 (%)

1
0
10
13
15
27
35
42
53
62
68
86
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.7
0.9
1.1
1.2
1.4
1.4
1.4
1.5
1.3
1.1
0.9
0.7

Wind Speed/Direction (mph)

7
8
9
8
8
8
7
7
7
6
6
5
5
5
5
4
4
3
3
5
7
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
8
7
8
9
11
13
14
16
16
16
16
16
16
16
16
16
16
16
16
15
15
15
15

Relative Humidity (%)

55
49
44
47
49
53
63
75
89
92
95
98
96
98
98
98
98
98
98
98
98
98
98
98

Pressure (mb)

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

Ozone (du)

267
267
266
266
266
266
265
265
264
264
264
263
263
264
264
264
264
264
264
265
265
266
267
268

Sunday 4

Waning Crescent 28%

01:27

15:36

09 Bad
10 Bad
11 Bad
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

Sun - Rise: 07:08, Set: 18:46, Transit: 12:56. Moon - Rise: 01:27, Set: 15:36. Civil Dark: 19:12 - 06:42. Nautical Dark: 19:43 - 06:11. Astro Dark: 20:13 - 05:41

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

84
84
85
85
72
70
66
66
55
45
34
41
45
52
68
85
100

Medium Clouds (% Sky Obscured)

97
96
90
85
80
71
62
53
35
20
10
15
20
30
35
45
50

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
98
97
95
93

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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
Very Light Rain

Precipitation Probability (%)

95
88
95
95
95
95
95
95
95
95
95
95
95
95
88
75
62

Precipitation Amount (mm)

0.6
0.4
0.5
0.7
0.8
1.4
1.8
2
2.2
2.1
1.8
1.4
1
0.7
0.5
0.4
0.3

Wind Speed/Direction (mph)

6
7
7
7
6
6
5
5
6
6
6
6
5
5
6
5
5

Chance of Frost

Temperature (°C)

16
16
17
17
18
19
19
19
19
19
18
17
17
17
17
17
17

Feels Like (°C)

15
15
15
14
14
13
20
20
20
21
22
23
17
17
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

95
92
90
79
72
65
65
66
66
73
81
89
89
88
85
85
85

Pressure (mb)

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

Ozone (du)

269
270
271
271
271
271
271
271
271
273
274
275
277
278
280
279
278

Forecast for Friendship Acres, Charles County, United States of America (38.44,-77.13)

Generated: 28/09/26 08:20:49. Forecast: 28/09/26 to 04/10/26. Timezone: UTC-4.00