Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 21

Waxing Crescent 10%

09:18

20:51

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

Sun - Rise: 07:28, Set: 17:50, Transit: 12:39. Moon - Rise: 09:18, Set: 20:51. Civil Dark: 18:17 - 07:02. Nautical Dark: 18:47 - 06:32. Astro Dark: 19:16 - 06:02

Total Clouds (% Sky Obscured)

44
72
70
55
25
20
5
0
0
14
25
42
37
36
38
47
60
98
100
89
47
99
80
92

Low Clouds (% Sky Obscured)

44
69
67
55
25
20
5
0
0
14
25
42
37
36
38
47
47
53
46
33
36
28
44
79

Medium Clouds (% Sky Obscured)

0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
24
0
65
61
48

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
45
92
100
62
16
93
56
38

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
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
13
13
14
16
18
17
17
17
15
12
11
10
10
10
9
8
6
6
6
8
7
8

Dew Point (°C)

10
10
10
9
8
8
7
7
7
6
6
2
-1
-1
-1
-2
-2
-1
-0
0
2
4
6
7

Relative Humidity (%)

90
86
78
66
58
55
50
49
47
47
50
43
37
40
40
41
42
46
48
52
59
69
81
88

Pressure (mb)

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

Ozone (du)

295
298
299
300
299
302
302
303
306
308
309
309
302
298
297
295
295
294
291
290
289
289
290
288

Thursday 22

Waxing Crescent 17%

09:45

21:53

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

Sun - Rise: 07:27, Set: 17:51, Transit: 12:40. Moon - Rise: 09:45, Set: 21:53. Civil Dark: 18:18 - 07:01. Nautical Dark: 18:48 - 06:31. Astro Dark: 19:17 - 06:02

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
94
92
100
100
100
100
96
86
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

98
97
97
98
96
95
100
100
100
92
89
83
61
44
97
96
86
97
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

18
56
53
38
27
24
18
13
45
42
52
51
34
55
60
90
62
61
60
65
96
94
94
84

High Clouds (% Sky Obscured)

56
99
94
92
100
100
100
100
84
43
71
100
100
100
100
56
45
91
37
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
8
5
6
3
3

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

Precipitation Probability (%)

0
0
0
0
1
2
0
0
0
0
0
0
0
0
1
10
42
63
66
70
61
63
70
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.2
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
85
83
79
74
70
67
67
67
68
70
70
75
80
81
83
85
88
91
93
95
95
95
95

Pressure (mb)

1022
1022
1022
1022
1022
1020
1019
1018
1018
1017
1017
1018
1018
1018
1018
1019
1018
1018
1018
1018
1018
1018
1019
1020

Ozone (du)

287
284
284
283
282
280
281
282
282
281
282
284
284
285
286
288
287
289
289
288
288
289
291
292

Friday 23

Waxing Crescent 26%

10:13

22:56

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

Sun - Rise: 07:27, Set: 17:52, Transit: 12:40. Moon - Rise: 10:13, Set: 22:56. Civil Dark: 18:19 - 07:01. Nautical Dark: 18:48 - 06:31. Astro Dark: 19:18 - 06:02

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
99
97
95
94

Medium Clouds (% Sky Obscured)

77
99
100
100
99
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
95
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

7
5
3
2
1
2
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
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
Light Rain
Light Rain
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai

Precipitation Probability (%)

57
72
82
94
95
95
90
95
95
95
93
95
95
95
95
89
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0.2
0.3
0.6
1
0.8
0.5
0.7
0.7
0.8
0.6
0.7
1
1.3
1
0.5
0.7
1.2
0.5
0.9
1.6
2.3
1.3
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
9
9
8
8
7
6
5
4
3
2
2
1
0
-0
-1
-2
-2
-2
-3
-4
-5
-6

Feels Like (°C)

5
4
3
3
2
2
0
-1
-3
-4
-5
-5
-6
-6
-6
-7
-7
-8
-9
-9
-10
-11
-12
-13

Dew Point (°C)

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

Relative Humidity (%)

88
85
85
85
88
90
93
91
93
93
94
93
93
94
94
92
92
91
92
91
92
92
90
90

Pressure (mb)

1021
1022
1023
1023
1024
1023
1023
1024
1025
1026
1026
1028
1028
1029
1029
1029
1030
1030
1029
1029
1029
1030
1030
1031

Ozone (du)

293
293
293
292
291
292
291
293
293
293
293
293
293
292
292
291
289
291
292
290
289
287
286
286

Saturday 24

Waxing Crescent 37%

10:41

00:01

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

Sun - Rise: 07:26, Set: 17:53, Transit: 12:40. Moon - Rise: 10:41, Set: 00:01. Civil Dark: 18:19 - 07:00. Nautical Dark: 18:49 - 06:30. Astro Dark: 19:19 - 06:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
97
97

Low Clouds (% Sky Obscured)

86
87
88
86
86
87
88
88
87
87
92
96
100
97
94
91
87
84
81
85
89
93
90
87

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
95
92

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
96
95
85
87
82
62
51
50
40
20
15
5
5

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0

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

Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
93
95
95
95
95
95
95
83
64
41

Precipitation Amount (mm)

1.2
1.4
1.2
1.5
1.8
1.7
1.3
1.2
1.4
1.2
1
0.7
0.8
0.7
0.5
0.7
1.3
0.9
1.1
1.2
1.1
0.5
0.3
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-7
-7
-8
-8
-8
-8
-8
-8
-8
-9
-9
-9
-9
-9
-10
-10
-10
-10
-10
-10
-11
-11
-11
-10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
90
90
90
92
90
90
92
90
90
90
88
90
90
90
92
90
90
92
90
92

Pressure (mb)

1031
1032
1032
1031
1031
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030

Ozone (du)

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

Sunday 25

First Quarter 48%

11:12

01:09

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

Sun - Rise: 07:26, Set: 17:54, Transit: 12:40. Moon - Rise: 11:12, Set: 01:09. Civil Dark: 18:20 - 07:00. Nautical Dark: 18:50 - 06:30. Astro Dark: 19:19 - 06:01

Total Clouds (% Sky Obscured)

96
94
93
92
86
88
90
89
89
89
77
63
50
33
17
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

83
82
81
81
77
81
85
85
87
81
63
47
31
21
10
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

88
82
80
75
63
45
25
24
23
22
26
30
34
33
17
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

5
5
4
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)

0
1
4
2
0
0
1
1
2
2
3
2
2
1
1
0
0
1
2
3
5
7
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 (%)

26
16
16
34
32
30
24
21
17
13
15
16
18
24
29
34
30
25
18
15
11
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)

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

Chance of Frost

Temperature (°C)

-10
-10
-9
-8
-7
-6
-6
-5
-5
-5
-6
-6
-6
-6
-7
-7
-7
-7
-8
-8
-9
-10
-10
-10

Feels Like (°C)

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

Dew Point (°C)

-11
-11
-11
-10
-8
-8
-7
-7
-7
-6
-7
-7
-7
-7
-7
-7
-7
-8
-8
-9
-10
-11
-12
-12

Relative Humidity (%)

90
88
88
87
90
89
89
87
89
92
92
94
94
94
94
96
94
94
94
94
92
90
88
87

Pressure (mb)

1031
1031
1031
1031
1031
1030
1029
1029
1029
1030
1030
1031
1032
1033
1033
1034
1034
1034
1034
1035
1035
1036
1036
1037

Ozone (du)

276
279
280
279
282
282
283
284
284
285
285
286
288
289
290
292
293
295
297
299
298
297
296
297

Monday 26

Waxing Gibbous 60%

11:48

02:20

08 Good
09 Good
10 Good
11 Good
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 OK
04 OK
05 OK
06 OK
07 OK

Sun - Rise: 07:25, Set: 17:55, Transit: 12:41. Moon - Rise: 11:48, Set: 02:20. Civil Dark: 18:21 - 06:59. Nautical Dark: 18:51 - 06:30. Astro Dark: 19:20 - 06:00

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
12
23
35
32
30

Low 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

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
1
3

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)

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

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
1
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
6
5
5
5
5
5
4
4
4
4
4
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

-9
-9
-7
-5
-4
-3
-2
-1
-2
-2
-3
-5
-6
-7
-8
-9
-10
-11
-11
-12
-12
-12
-12
-11

Feels Like (°C)

-13
-13
-13
-13
-13
-5
-5
-4
-3
-2
0
-5
-5
-5
-6
-6
-7
-13
-13
-13
-13
-13
-13
-15

Dew Point (°C)

-11
-11
-10
-8
-7
-6
-5
-4
-4
-4
-5
-6
-7
-8
-9
-10
-12
-13
-13
-14
-13
-14
-14
-12

Relative Humidity (%)

85
82
80
79
78
78
78
78
81
86
89
89
90
90
88
88
87
86
85
86
86
85
85
86

Pressure (mb)

1038
1038
1038
1039
1039
1038
1038
1037
1037
1038
1038
1038
1039
1039
1039
1039
1039
1039
1039
1039
1039
1038
1038
1038

Ozone (du)

298
299
300
300
301
300
300
299
299
299
299
299
299
299
299
299
299
299
299
299
299
299
299
300

Tuesday 27

Waxing Gibbous 71%

12:31

03:32

Sun - Rise: 07:25, Set: 17:56, Transit: 12:41. Moon - Rise: 12:31, Set: 03:32. Civil Dark: 18:22 - 06:59. Nautical Dark: 18:52 - 06:29. Astro Dark: 19:21 - 06:00

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Grapevine, Tarrant, United States of America (32.95,-97.07)

Generated: 21/01/26 08:25:26. Forecast: 21/01/26 to 27/01/26. Timezone: UTC-6.00