Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 19

Waxing Gibbous 70%

16:07

00:24

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

Sun - Rise: 06:54, Set: 19:07, Transit: 13:00. Moon - Rise: 16:07, Set: 00:24. Civil Dark: 19:33 - 06:27. Nautical Dark: 20:05 - 05:56. Astro Dark: 20:37 - 05:24

Total Clouds (% Sky Obscured)

74
80
77
79
69
63
92
85
84
100
100
100
91
86
100
95
96
100
100
100
100
100
97
100

Low Clouds (% Sky Obscured)

23
60
75
66
55
42
28
16
18
50
47
42
35
49
60
48
81
90
88
25
18
25
30
22

Medium Clouds (% Sky Obscured)

35
40
51
44
44
38
61
76
74
69
74
57
46
36
77
38
32
72
76
96
46
100
96
91

High Clouds (% Sky Obscured)

17
21
22
29
24
32
40
27
41
54
59
64
66
68
76
90
68
68
64
100
100
81
68
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
5
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
Light Rain
Light Rain
None
Light Rain
Moderate Rain
None
None

Precipitation Probability (%)

0
0
4
0
0
2
5
9
20
28
41
53
88
58
32
30
44
84
95
41
84
95
82
72

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
1
0.3
0
0
0
0.6
1
0
1
3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
20
20
20
20
20
20
20
21
21
22
23
24
25
25
27
27
25
25
24
23
23
23

Feels Like (°C)

22
21
21
20
21
21
22
20
20
21
21
22
23
24
25
26
29
29
28
26
26
25
26
25

Dew Point (°C)

18
18
18
18
19
19
19
18
18
18
19
20
19
18
18
21
20
19
20
20
22
23
22
22

Relative Humidity (%)

81
86
89
88
91
91
91
88
89
84
88
88
81
69
66
76
62
62
73
77
89
97
95
95

Pressure (mb)

1018
1018
1018
1018
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1013
1012
1012
1012
1012
1011
1012
1012
1013

Ozone (du)

271
272
272
272
274
274
274
274
274
274
275
276
275
273
273
273
274
274
275
276
277
277
277
280

Sunday 20

Waxing Gibbous 79%

16:41

01:25

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

Sun - Rise: 06:55, Set: 19:05, Transit: 13:00. Moon - Rise: 16:41, Set: 01:25. Civil Dark: 19:32 - 06:28. Nautical Dark: 20:03 - 05:57. Astro Dark: 20:35 - 05:25

Total Clouds (% Sky Obscured)

99
98
71
90
97
93
98
97
97
89
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

78
15
13
16
17
23
78
77
71
79
93
95
97
93
92
93
94
94
97
96
96
100
100
100

Medium Clouds (% Sky Obscured)

72
74
46
44
45
39
55
56
63
58
90
99
92
90
85
85
69
68
74
72
82
64
100
82

High Clouds (% Sky Obscured)

88
72
71
24
42
35
76
85
76
19
87
78
83
82
95
7
75
59
62
65
63
65
100
100

ISS Passover

Visibility (miles)

9
7
9
9
8
9
4
5
9
3
9
9
7
9
9
9
9
9
6
5
9
3
5
1

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

Precipitation Probability (%)

55
35
14
23
27
74
62
42
42
37
27
48
39
32
38
67
88
95
95
95
78
42
47
95

Precipitation Amount (mm)

0
0
0
0
0
0.8
0.3
0
0
0
0
0
0
0
0
0.3
0.6
1.2
2.4
2.4
0
0
0
1.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
24
24
25
22
21
20
19
18
18
18
19
19
19
18
18
18
18
17
16
17
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

94
95
95
95
95
96
98
96
93
93
95
95
95
93
92
92
89
90
93
93
96
96
96
98

Pressure (mb)

1013
1013
1013
1013
1014
1014
1014
1015
1015
1016
1017
1018
1018
1018
1018
1018
1017
1017
1017
1018
1018
1018
1019
1019

Ozone (du)

282
281
280
279
277
278
277
276
276
276
276
277
276
276
275
275
275
275
275
276
277
278
279
278

Monday 21

Waxing Gibbous 87%

17:11

02:29

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

Sun - Rise: 06:56, Set: 19:03, Transit: 13:00. Moon - Rise: 17:11, Set: 02:29. Civil Dark: 19:30 - 06:29. Nautical Dark: 20:01 - 05:58. Astro Dark: 20:33 - 05:26

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
92

Medium Clouds (% Sky Obscured)

96
100
100
100
97
95
100
91
92
94
97
100
97
99
98
99
99
100
100
100
100
93
98
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
1
9
9
9
6
9
8
9
3
7
9
9
8
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

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

Precipitation Probability (%)

81
88
95
95
95
95
94
60
52
75
51
42
50
75
82
77
88
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.3
0.7
1.3
2.2
0.6
0.8
0.5
0
0
0.7
0
0
0
0.5
0.5
0.3
0.5
0.5
0.4
0.4
0.5
0.8
0.9
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
17
16
16
16
16
15
15
16
15
15
15
15
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1022
1022
1022
1022
1021
1021
1022
1022
1022
1023
1023
1024

Ozone (du)

279
279
280
280
279
279
280
280
281
281
281
281
283
283
283
284
284
284
284
284
285
285
286
286

Tuesday 22

Waxing Gibbous 93%

17:36

03:33

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

Sun - Rise: 06:57, Set: 19:02, Transit: 12:59. Moon - Rise: 17:36, Set: 03:33. Civil Dark: 19:28 - 06:30. Nautical Dark: 20:00 - 05:59. Astro Dark: 20:31 - 05:27

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

94
97
100
100
100
100
100
100
100
100
99
98
98
92
96
96
96
97
95
94
93
96
98
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
96
86
75
51
56
58
56
53

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
56
100
100
100
100
100
99
62
65
70
70

ISS Passover

Visibility (miles)

8
7
4
5
7
8
9
6
4
2
2
5
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate 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 (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
88
76
76
79
86
82
82
84

Precipitation Amount (mm)

0.8
1
1
0.8
0.7
0.7
0.7
1.2
1.9
2.9
2.6
2.2
1.2
0.9
0.7
0.6
0.5
0.4
0.4
0.5
0.6
0.6
0.6
0.7

Wind Speed/Direction (mph)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
11
11
11
11
11
11
11
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
95
96
96
95
95
95
96
96
96
95
92
90
87
84
80
80
78
71
73
73
73

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1025
1025
1026
1026
1026
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

288
288
288
289
288
288
288
288
289
290
290
290
291
290
291
290
289
289
289
290
291
292
295
295

Wednesday 23

Waxing Gibbous 93%

18:00

04:38

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

Sun - Rise: 06:57, Set: 19:00, Transit: 12:59. Moon - Rise: 18:00, Set: 04:38. Civil Dark: 19:27 - 06:31. Nautical Dark: 19:58 - 06:00. Astro Dark: 20:30 - 05:28

Total Clouds (% Sky Obscured)

100
99
98
71
62
61
58
53
50
41
37
34
32
26
25
25
25
30
35
50
60
65
65
75

Low Clouds (% Sky Obscured)

100
97
95
57
58
61
58
53
50
41
37
34
32
26
25
25
25
30
35
50
60
65
60
60

Medium Clouds (% Sky Obscured)

54
54
53
30
25
20
16
10
6
5
4
4
4
3
3
3
4
5
4
4
3
16
28
41

High Clouds (% Sky Obscured)

71
71
73
5
9
14
25
34
41
41
37
34
32
26
25
25
17
7
6
6
4
20
31
44

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

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 (%)

74
61
35
0
0
0
0
0
0
3
3
2
8
11
12
15
16
16
17
16
13
12
8
0

Precipitation Amount (mm)

0.4
0.2
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)

12
11
10
10
9
9
9
9
9
9
9
10
10
10
10
10
9
9
8
7
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
69
71
72
75
75
76
75
75
76
75
75
74
75
78
78
79
81
83
83
83
83
82
80

Pressure (mb)

1025
1024
1024
1024
1026
1026
1026
1026
1026
1026
1026
1027
1027
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024

Ozone (du)

295
295
295
295
295
295
295
296
297
298
298
299
299
299
300
300
301
302
303
303
304
304
304
303

Thursday 24

Waxing Gibbous 97%

18:23

05:44

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

Sun - Rise: 06:58, Set: 18:59, Transit: 12:58. Moon - Rise: 18:23, Set: 05:44. Civil Dark: 19:25 - 06:32. Nautical Dark: 19:56 - 06:01. Astro Dark: 20:28 - 05:29

Total Clouds (% Sky Obscured)

74
69
63
58
48
48
40
34
25
19
11
3
2
1
0
17
23
30
30
26
31
29
27
25

Low Clouds (% Sky Obscured)

56
52
52
32
17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

28
16
3
19
32
43
32
25
14
10
5
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

31
20
13
10
10
10
12
18
24
18
11
3
2
1
0
17
23
30
30
26
31
29
27
25

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
5
6
6
6
6
6
6
7
7
8
9
10
11
11
12
11
10
10
9
8
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
10
10
9
10
10
10
9
9
10
11
12
12
14
15
20
19
18
18
19
20
14
14

Dew Point (°C)

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

Relative Humidity (%)

79
77
77
76
77
76
77
77
75
75
62
52
43
43
44
45
44
44
44
47
53
58
61
64

Pressure (mb)

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

Ozone (du)

303
303
302
302
302
302
303
303
303
303
304
306
307
306
304
303
302
300
298
299
299
299
299
299

Friday 25

Waxing Gibbous 100%

18:47

06:50

23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK

Sun - Rise: 06:59, Set: 18:57, Transit: 12:58. Moon - Rise: 18:47, Set: 06:50. Civil Dark: 19:24 - 06:33. Nautical Dark: 19:55 - 06:01. Astro Dark: 20:26 - 05:30

Total Clouds (% Sky Obscured)

36
42
53
54
52
57
56
38
32

Low Clouds (% Sky Obscured)

4
8
12
14
14
13
15
20
30

Medium Clouds (% Sky Obscured)

8
15
19
25
28
35
27
24
25

High Clouds (% Sky Obscured)

31
28
29
32
30
29
31
34
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
1
0
3
3
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
7
8
8
9
9
9
9

Chance of Frost

Temperature (°C)

14
14
14
14
13
13
13
12
12

Feels Like (°C)

15
15
14
14
12
12
12
11
11

Dew Point (°C)

8
8
8
8
7
7
7
6
6

Relative Humidity (%)

68
67
68
68
68
69
69
67
66

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

299
297
296
295
295
295
295
296
297

Forecast for Marriottsville, Howard, United States of America (39.35,-76.90)

Generated: 19/09/26 23:25:59. Forecast: 19/09/26 to 25/09/26. Timezone: UTC-4.00